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LU9DCE > ALERT    05.04.23 06:35z 653 Lines 17149 Bytes #999 (0) @ WW
BID : 7658_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 05-APR23
Path: HB9ON<IW8PGT<I3XTY<I0OJJ<LU4ECL<LU9DCE
Sent: 230405/0630Z 7658@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.23

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               ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
                 BOLETINES INFORMATIVOS PROGRAMADOS (BIP) PHP
                     Copyright 2022 - Eduardo A. Castillo
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SPC Severe Thunderstorm Watch 119

WW 119 SEVERE TSTM IA IL 050255Z - 050900Z
 

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 119
NWS Storm Prediction Center Norman OK
955 PM CDT Tue Apr 4 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
 Central and eastern Iowa
 Extreme northwestern Illinois

* Effective this Tuesday night and Wednesday morning from 955 PM
 until 400 AM CDT.

* Primary threats include...
 Scattered large hail likely with isolated very large hail events
 to 2 inches in diameter possible
 Scattered damaging wind gusts to 70 mph likely
 A tornado or two possible

SUMMARY...A band of storms, some with supercell structures, will
continue spreading eastward from central into eastern Iowa
overnight. The primary threats will be large hail and damaging
winds with the embedded supercells or short bowing segments, though
a tornado or two may also occur with embedded circulations.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 30 miles north northeast
of Cedar Rapids IA to 45 miles southwest of Ottumwa IA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...This severe thunderstorm watch replaces
tornado watch number 115. Watch number 115 will not be in effect
after 955 PM CDT. CONTINUE...WW 116...WW 117...WW 118...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
23050.

...Thompson


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SPC Severe Thunderstorm Watch 118

WW 118 SEVERE TSTM KS OK 050145Z - 050800Z
 

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 118
NWS Storm Prediction Center Norman OK
845 PM CDT Tue Apr 4 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
 South central and southeast Kansas
 North central and northeast Oklahoma

* Effective this Tuesday night and Wednesday morning from 845 PM
 until 300 AM CDT.

* Primary threats include...
 Scattered large hail and isolated very large hail events to 2
 inches in diameter possible
 Scattered damaging wind gusts to 70 mph possible
 A tornado or two possible

SUMMARY...Severe storms are expected to continue developing in a
line across Kansas into northern Oklahoma along a merged cold
front/dryline. The storm environment will favor embedded supercell
structures capable of producing large hail and damaging winds within
the line. An isolated tornado or two could occur with the strongest
storms in the line.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 30 miles north northwest
of Chanute KS to 60 miles south of Ponca City OK. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 115...WW 116...WW 117...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
23050.

...Thompson


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SPC Severe Thunderstorm Watch 117

WW 117 SEVERE TSTM IA IL MN WI 042335Z - 050600Z
 

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 117
NWS Storm Prediction Center Norman OK
635 PM CDT Tue Apr 4 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
 Northeast Iowa
 Extreme northwest Illinois
 Southeast Minnesota
 Southwest Wisconsin

* Effective this Tuesday night and Wednesday morning from 635 PM
 until 100 AM CDT.

* Primary threats include...
 Scattered large hail and isolated very large hail events to 2.5
 inches in diameter likely
 Isolated damaging wind gusts to 65 mph possible

SUMMARY...Elevated supercells will spread northeastward from Iowa to
southeast Minnesota and southwest Wisconsin through the early
overnight hours. Very large hail to tennis ball size (2.5 inches in
diameter) will be the main threat, though isolated damaging gusts
will be possible from northeast Iowa into southwest Wisconsin.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles south
southwest of Rochester MN to 15 miles east northeast of Madison WI.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 115...WW 116...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
23050.

...Thompson


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SPC Severe Thunderstorm Watch 116

WW 116 SEVERE TSTM KS MO 042315Z - 050500Z
 

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 116
NWS Storm Prediction Center Norman OK
615 PM CDT Tue Apr 4 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
 Northeast Kansas
 Northwest Missouri

* Effective this Tuesday night from 615 PM until Midnight CDT.

* Primary threats include...
 Scattered large hail and isolated very large hail events to 2.5
 inches in diameter likely
 Scattered damaging wind gusts to 70 mph possible
 A tornado or two possible

SUMMARY...Severe storms are expected to develop this evening across
northwest Missouri and northeast Kansas as a cold front merges with
the dryline. Isolated very large hail up to tennis ball size (2.5
inches in diameter) and thunderstorm wind gusts to 70 mph will be
possible with these storms. An isolated tornado or two could occur
with supercells or embedded circulations in the line of storms
expected tonight.

The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 40 miles east southeast
of Emporia KS to 50 miles northeast of Falls City NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 115...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
23050.

...Thompson


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SPC Severe Thunderstorm Watch 119 Status Reports

WW 0119 Status Updates
 

STATUS REPORT ON WW 119

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 E LWD TO
25 SW ALO.

..SPC..04/05/23

ATTN...WFO...DMX...DVN...


STATUS REPORT FOR WS 119 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ILC015-131-161-050440-

IL 
. ILLINOIS COUNTIES INCLUDED ARE

CARROLL MERCER ROCK ISLAND 


IAC007-011-031-045-051-057-087-095-097-099-101-103-105-107-111-
113-115-117-123-125-127-135-139-157-163-171-177-179-183-185-
050440-

IA 
. IOWA COUNTIES INCLUDED ARE

APPANOOSE BENTON CEDAR 
CLINTON DAVIS DES MOINES 
HENRY IOWA JACKSON 
JASPER JEFFERSON JOHNSON 
JONES KEOKUK LEE 
LINN LOUISA LUCAS 
MAHASKA MARION MARSHALL 
MONROE MUSCATINE POWESHIEK 
SCOTT TAMA VAN BUREN 
WAPELLO WASHINGTON WAYNE 

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SPC Severe Thunderstorm Watch 118 Status Reports

WW 0118 Status Updates
 

STATUS REPORT ON WW 118

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..THORNTON..04/05/23

ATTN...WFO...ICT...TSA...OUN...


STATUS REPORT FOR WS 118 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

KSC001-015-019-035-049-073-077-099-125-133-173-191-205-207-
050440-

KS 
. KANSAS COUNTIES INCLUDED ARE

ALLEN BUTLER CHAUTAUQUA 
COWLEY ELK GREENWOOD 
HARPER LABETTE MONTGOMERY 
NEOSHO SEDGWICK SUMNER 
WILSON WOODSON 


OKC037-047-071-073-081-083-103-105-113-117-119-131-143-147-
050440-

OK 
. OKLAHOMA COUNTIES INCLUDED ARE

CREEK GARFIELD KAY 
KINGFISHER LINCOLN LOGAN 
NOBLE NOWATA OSAGE 
PAWNEE PAYNE ROGERS 
TULSA WASHINGTON 



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SPC Severe Thunderstorm Watch 117 Status Reports

WW 0117 Status Updates
 

STATUS REPORT ON WW 117

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 WSW ALO
TO 15 NE LSE.

..SPC..04/05/23

ATTN...WFO...ARX...DMX...DVN...MKX...


STATUS REPORT FOR WS 117 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ILC085-177-050440-

IL 
. ILLINOIS COUNTIES INCLUDED ARE

JO DAVIESS STEPHENSON 


IAC005-013-019-043-055-061-065-050440-

IA 
. IOWA COUNTIES INCLUDED ARE

ALLAMAKEE BLACK HAWK BUCHANAN 
CLAYTON DELAWARE DUBUQUE 
FAYETTE 


WIC001-021-023-025-043-045-047-049-057-063-065-077-081-103-105-
111-123-050440-

WI 
. WISCONSIN COUNTIES INCLUDED ARE

ADAMS COLUMBIA CRAWFORD 

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SPC Severe Thunderstorm Watch 116 Status Reports

WW 0116 Status Updates
 

STATUS REPORT ON WW 116

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WSW EMP
TO 30 S TOP TO 15 NE FLV TO 30 SW LWD TO 10 NNW LWD.

..THORNTON..04/05/23

ATTN...WFO...TOP...EAX...


STATUS REPORT FOR WS 116 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

KSC003-031-045-059-091-103-107-121-209-050440-

KS 
. KANSAS COUNTIES INCLUDED ARE

ANDERSON COFFEY DOUGLAS 
FRANKLIN JOHNSON LEAVENWORTH 
LINN MIAMI WYANDOTTE 


MOC025-033-037-047-049-061-063-079-081-095-107-117-129-177-
050440-

MO 
. MISSOURI COUNTIES INCLUDED ARE

CALDWELL CARROLL CASS 
CLAY CLINTON DAVIESS 
DEKALB GRUNDY HARRISON 
JACKSON LAFAYETTE LIVINGSTON 
MERCER RAY 


THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL

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SPC Tornado Watch 115 Status Reports

WW 0115 Status Updates
 

STATUS REPORT ON WW 115

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE SDA
TO 15 W DSM TO 30 W ALO.

..SQUITIERI..04/05/23

ATTN...WFO...DMX...DVN...LSX...ILX...EAX...


STATUS REPORT FOR WT 115 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ILC011-015-017-057-067-071-073-095-109-123-125-131-143-155-161-
169-175-179-187-195-203-050240-

IL 
. ILLINOIS COUNTIES INCLUDED ARE

BUREAU CARROLL CASS 
FULTON HANCOCK HENDERSON 
HENRY KNOX MCDONOUGH 
MARSHALL MASON MERCER 
PEORIA PUTNAM ROCK ISLAND 
SCHUYLER STARK TAZEWELL 
WARREN WHITESIDE WOODFORD 


IAC007-011-031-039-045-051-053-057-087-095-097-099-101-103-105-
107-111-113-115-117-121-123-125-127-135-139-153-157-159-163-171-
173-175-177-179-181-183-185-050240-

IA 
. IOWA COUNTIES INCLUDED ARE

APPANOOSE BENTON CEDAR 
CLARKE CLINTON DAVIS 
DECATUR DES MOINES HENRY 

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SPC - No MDs are in effect as of Wed Apr 5 03:46:02 UTC 2023

No Mesoscale Discussions are in effect as of Wed Apr 5 03:46:02 UTC
2023.

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SPC Center Public Severe Weather Outlook (PWO)

Public Severe Weather Outlook
 
PUBLIC SEVERE WEATHER OUTLOOK 
NWS STORM PREDICTION CENTER NORMAN OK
1136 AM CDT TUE APR 04 2023

...Severe thunderstorms expected over parts of the Select a General
Area this afternoon and tonight...

* LOCATIONS...
 Western Arkansas
 Eastern Iowa
 Southern Missouri
 Northwest Illinois

* HAZARDS...
 Several tornadoes, a few intense
 Scattered large hail, some baseball size
 Scattered damaging winds

* SUMMARY...
 Tornadoes, severe thunderstorm gusts and large hail are possible
 today and tonight from the Upper Great Lakes to central Texas.
 Tornado potential is focused today over parts of Iowa/Illinois
 this afternoon, and especially tonight over parts of the Ozarks
 to the Arklatex region.

Preparedness actions...

Review your severe weather safety procedures for the possibility
of dangerous weather today. Stay tuned to NOAA Weather Radio, 
weather.gov, or other media for watches and warnings. A tornado
watch means that conditions are favorable for tornadoes to form
during the next several hours. If a tornado warning is issued for
your area, move to a place of safety, ideally in a basement or
interior room on the lowest floor of a sturdy building.

&&


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SPC Apr 5, 2023 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook
 
Day 1 Convective Outlook 
NWS Storm Prediction Center Norman OK
0801 PM CDT Tue Apr 04 2023

Valid 050100Z - 051200Z

...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FROM FAR
SOUTHEAST OK ACROSS WESTERN/NORTHWESTERN AR INTO SOUTH-CENTRAL MO...

...SUMMARY...
Tornadoes, severe thunderstorm gusts and large hail are likely
tonight from the Upper Great Lakes to central Texas. The threat
tornadoes continues tonight over parts of the Ozarks to the Arklatex
region.

...01Z Update...

...Eastern IA...Northern/Central MO...IL...
Regional radar over the past hour or so has shown a trend away from
a more discrete mode over central IA, with only two significant
supercells currently remaining, one over Jasper and Poweshiek
Counties in IA, and the other affecting Tazewell, Peoria, Fulton,
and Mason Counties in central IL. Forecast regarding the supercell
in central IL was address in recently issued MCD #465, which
mentions this isolated supercell may continue for the next 1-2
hours.

Expectation for the remainder of the evening is for additional
thunderstorms development along the front as it moves through the
region. The environment remains favorable for severe thunderstorms
within this line of storms, with the threat for large hail, damaging
gusts, and embedded tornadoes all possible throughout the evening.

...ArkLaTex into southern MO/IL tonight into early Wednesday...
Low-level moisture continues to advect northward across east TX and
Lower MS Valley. This is expected to continue throughout the evening
and overnight ahead of the approaching cold front, with upper 60s
dewpoints likely in place across all of AR by early Wednesday
morning. Mid 60s will likely stretch into central MO. This increased
low-level moisture will be coupled with strengthening warm-air
advection, attendant to the strengthening low-level jet, and
modestly increasing large-scale ascent. Given the breadth of the
warm sector and relatively broad ascent, confidence in exactly where
storms will initiate remains low and could occur anywhere from
northeast TX into southern MO. That being said, the overall
environment continues to suggest that any mature storms should
become supercellular with all severe hazards possible. There remains
a serious concern for nocturnal tornadoes over AR and MO.

...South TX...
Thunderstorms initiated within the very warm and moist environment
across south TX. Isolated hail and damaging gusts are possible for
the next hour or two before the onset of nocturnal cooling and
resulting low-level stabilization likely results in storm demise.
Additional storms are possible early Wednesday morning along the
front.

..Mosier.. 04/05/2023


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