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LU9DCE > ALERT 11.06.21 22:33z 281 Lines 10527 Bytes #999 (0) @ WW
BID : 512_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 11-JUN.2021
Path: HB9ON<IW8PGT<IZ3LSV<I3XTY<I0OJJ<LU4ECL<LU9DCE
Sent: 210611/2230Z 512@LU9DCE.TOR.BA.ARG.SOAM BPQ6.0.21
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
Copyright 2021 Eduardo A. Castillo
+----------------------------------------------------------------------------+
Storm Prediction Center
en-us
None
Fri, 11 Jun 2021 03:36:02 +0000
Fri, 11 Jun 2021 03:36:02 +0000
general
1
WW 254 SEVERE TSTM MT ND 110250Z - 110800Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 254
NWS Storm Prediction Center Norman OK
950 PM CDT Thu Jun 10 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
northeast Montana
western and central North Dakota
* Effective this Thursday night and Friday morning from 950 PM
until 300 AM CDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail and isolated very large hail events to 3
inches in diameter likely
A tornado or two possible
SUMMARY...Severe storms are expected to continue into the early
morning hours with some supercells possible, but with primary storm
mode transitioning to a squall line. Damaging wind and large hail
are the primary threats, but a couple of tornadoes are also
possible.
The severe thunderstorm watch area is approximately along and 125
statute miles east and west of a line from 70 miles northwest of
Minot ND to 75 miles southwest of Bismarck ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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 251...severe thunderstorm watch number 252.
Watch number 251 252 will not be in effect after 950 PM CDT.
CONTINUE...WW 253...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26035.
...Dial
Read more
Fri, 11 Jun 2021 02:52:02 +0000
WW 253 SEVERE TSTM NE SD 110205Z - 110800Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 253
NWS Storm Prediction Center Norman OK
905 PM CDT Thu Jun 10 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
western and central Nebraska
western and central South Dakota
* Effective this Thursday night and Friday morning from 905 PM
until 300 AM CDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
A tornado or two possible
SUMMARY...Storms are expected to increase in coverage with initial
supercells possible, transitioning to a squall line. Large hail,
damaging wind and a couple of tornadoes are possible this evening
into tonight.
The severe thunderstorm watch area is approximately along and 120
statute miles east and west of a line from 75 miles west northwest
of Mobridge SD to 55 miles southeast of Alliance NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 251...WW 252...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26035.
...Dial
Read more
Fri, 11 Jun 2021 02:05:03 +0000
WW 0254 Status Updates
STATUS REPORT ON WW 254
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 ENE 4BQ
TO 25 SSW SDY TO 15 ENE GGW TO 70 N GGW.
..MOORE..06/11/21
ATTN...WFO...GGW...BIS...
STATUS REPORT FOR WS 254
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC019-083-085-091-109-110440-
MT
. MONTANA COUNTIES INCLUDED ARE
DANIELSRICHLANDROOSEVELT
SHERIDAN WIBAUX
NDC001-007-009-011-013-015-023-025-029-033-037-041-043-049-053-
055-057-059-061-065-069-075-079-083-085-087-089-101-103-105-
110440-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BILLINGSBOTTINEAU
BOWMANBURKEBURLEIGH
DIVIDEDUNN EMMONS
GOLDEN VALLEYGRANTHETTINGER
KIDDERMCHENRY MCKENZIE
MCLEANMERCERMORTON
MOUNTRAILOLIVERPIERCE
RENVILLE ROLETTE SHERIDAN
SIOUX SLOPESTARK
Read more
Fri, 11 Jun 2021 03:36:03 +0000
WW 0253 Status Updates
STATUS FOR WATCH 0253 HAS NOT BEEN ISSUED YET
Read more
Fri, 11 Jun 2021 02:05:06 +0000
WW 0252 Status Updates
STATUS REPORT ON WW 252
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW DIK
TO 70 NW MLS TO 35 SSW GGW TO 20 NNE GGW TO 85 NNE GGW.
..DEAN..06/11/21
ATTN...WFO...TFX...BYZ...GGW...
STATUS REPORT FOR WS 252
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC021-033-055-079-105-110340-
MT
. MONTANA COUNTIES INCLUDED ARE
DAWSONGARFIELDMCCONE
PRAIRIEVALLEY
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
Read more
Fri, 11 Jun 2021 02:33:04 +0000
WW 0251 Status Updates
STATUS REPORT ON WW 251
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0914
..MOORE..06/11/21
ATTN...WFO...GGW...BIS...
STATUS REPORT FOR WT 251
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC019-083-085-091-109-110340-
MT
. MONTANA COUNTIES INCLUDED ARE
DANIELSRICHLANDROOSEVELT
SHERIDAN WIBAUX
NDC007-013-023-025-033-053-061-089-105-110340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BILLINGS BURKEDIVIDE
DUNNGOLDEN VALLEY MCKENZIE
MOUNTRAILSTARKWILLIAMS
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
Read more
Fri, 11 Jun 2021 02:33:05 +0000
No Mesoscale Discussions are in effect as of Fri Jun 11 03:36:05 UTC 2021.
Fri, 11 Jun 2021 03:35:13 +0000
Public Severe Weather Outlook
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0400 PM CDT THU JUN 10 2021
...Severe thunderstorms expected over parts of the northern Plains
this afternoon and tonight...
* LOCATIONS...
Western South Dakota
Western North Dakota
Northwest Nebraska
* HAZARDS...
Widespread damaging winds, some hurricane force
A few tornadoes
Widespread large hail, some baseball size
* SUMMARY...
Scattered severe thunderstorms are likely late this afternoon
and tonight across much of the northern and central Plains,
especially across eastern Montana, the Dakotas, and Nebraska.
All severe hazards are possible, including very large hail, wind
gusts above 70 mph, and a few tornadoes.
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 watch
means that conditions are favorable for severe thunderstorms
over the next several hours. If a severe thunderstorm warning is
issued for your area, move to a place of safety, ideally in an
interior room on the lowest floor of a sturdy building.
&&
..Guyer.. 06/10/2021
Read more
Fri, 11 Jun 2021 02:01:02 +0000
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0810 PM CDT Thu Jun 10 2021
Valid 110100Z - 111200Z
...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS THE
WESTERN DAKOTAS AND FAR NORTH-CENTRAL NEBRASKA...
...SUMMARY...
Severe thunderstorms are expected tonight across much of the
northern and central Plains, especially across far eastern Montana,
the Dakotas, and Nebraska. All severe hazards are possible,
including very large hail, wind gusts above 70 mph, and a few
tornadoes.
...Northern/central Plains...
00z mesoanalysis depicts a complex surface pattern featuring a
surface low over east-central MT, with a warm front extending east
into central MN and a cold front extending southwest into central
WY.Supercell thunderstorms have developed just east of the surface
low, including a confirmed tornado earlier in McKenzie County ND.
Strong instability (MLCAPE 2500-3500 J/kg) remains in place east of
a surface trough, in addition to ample deep-layer shear averaging
35-50 kts. In the short term supercells will continue to pose a risk
for all severe hazards this evening.A strong mid-level trough,
approaching from the northern Rockies, will increase large-scale
forcing for ascent/mid-level cooling this evening through the
overnight hours, and severe thunderstorms are expected to develop
southward in advance of an eastward-moving cold front.Rapid
upscale growth will result in damaging winds becoming the primary
severe hazard, with some significant severe gusts anticipated. Large
to very large hail will also remain possible, in addition to a
continuing risk for a few tornadoes with both supercell structures
and line-embedded circulations.
Elsewhere, have trimmed the Marginal Risk over northern WI, and
removed Marginal Risk areas over the Carolinas, where the isolated
severe risk should continue to diminish over the next hour or so
(refer to MCD 912 for more information).Marginal Risks were also
removed over the ArkLaMiss region and southwest TX based on current
trends and the onset of nocturnal cooling.
..Bunting.. 06/11/2021
Read more
Fri, 11 Jun 2021 01:18:24 +0000
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