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LU9DCE > ALERT 24.06.21 16:41z 176 Lines 7173 Bytes #999 (0) @ WW
BID : 1084_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 24-JUN.21
Path: HB9ON<IW8PGT<IZ3LSV<DB0ERF<DK0WUE<GB7CIP<GB7BEX<GB7YEW<LU9DCE
Sent: 210624/1632Z 1084@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
Thu, 24 Jun 2021 03:48:02 +0000
Thu, 24 Jun 2021 03:48:02 +0000
general
1
WW 307 SEVERE TSTM IA NE 240335Z - 241000Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 307
NWS Storm Prediction Center Norman OK
1035 PM CDT Wed Jun 23 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far western Iowa
Central to eastern Nebraska
* Effective this Wednesday night and Thursday morning from 1035
PM until 500 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 90
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...A forward-propagating cluster will likely develop
east-southeast from ongoing cells across north-central Nebraska,
spreading into eastern Nebraska and far western Iowa overnight.
Intense severe wind gusts are possible.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 35 miles northwest of
Broken Bow NE to 20 miles northeast of Omaha NE. 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 306...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 80 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
29040.
...Grams
Read more
Thu, 24 Jun 2021 03:36:03 +0000
WW 0307 Status Updates
STATUS FOR WATCH 0307 HAS NOT BEEN ISSUED YET
Read more
Thu, 24 Jun 2021 03:36:06 +0000
WW 0306 Status Updates
STATUS REPORT ON WW 306
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE SNY
TO 35 W MHN TO 35 NW MHN TO 40 W VTN.
..LYONS..06/24/21
ATTN...WFO...LBF...
STATUS REPORT FOR WS 306
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC005-009-015-017-031-041-049-069-071-075-089-091-101-103-111-
113-115-117-149-171-183-240340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHURBLAINEBOYD
BROWN CHERRYCUSTER
DEUEL GARDENGARFIELD
GRANT HOLT HOOKER
KEITH KEYA PAHALINCOLN
LOGAN LOUP MCPHERSON
ROCKTHOMASWHEELER
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
Thu, 24 Jun 2021 02:47:03 +0000
MD 1072 CONCERNING SEVERE THUNDERSTORM WATCH 306... FOR PORTIONS OF CENTRAL AND EASTERN NEBRASKA
Mesoscale Discussion 1072
NWS Storm Prediction Center Norman OK
1012 PM CDT Wed Jun 23 2021
Areas affected...portions of central and eastern Nebraska
Concerning...Severe Thunderstorm Watch 306...
Valid 240312Z - 240445Z
The severe weather threat for Severe Thunderstorm Watch 306
continues.
SUMMARY...Local severe risk continues across portions of Nebraska,
and should continue for several hours.New WW issuance is likely
across portions of central and eastern Nebraska, given the scheduled
24/04Z expiration of WW 306.
DISCUSSION...Latest radar loop shows a pair of severe storms exiting
Keya Paha County, and moving into Brown/Rock/Holt counties.The
stronger/lead supercell has begun a decided east-southeastward
advance, and this trend should continue over the next few hours as
the developing low-level jet begins to veer gradually more
southwesterly.With steep lapse rates aloft available to support
continued vigorous updrafts, and associated risk for large hail,
severe risk is forecast to continue across areas currently within
eastern portions of WW 306 as well as areas to the east and
southeast -- across eastern Nebraska.
Additionally, some upscale/linear growth is still anticipated, which
would suggest potential for an uptick in damaging wind potential.
HRRR runs continue to suggest such linear evolution, and given the
two observed/merging outflow boundaries across north-central
Nebraska -- one moving eastward (in conjunction with Cherry County
convection) and the other (emanating from the ongoing severe storms
farther east) shifting southward -- this would seem to remain a
reasonable expectation.
Given this ongoing/anticipated potential, a new WW will likely be
issued, prior to the expiration of WW 306, covering portions of
central and eastern Nebraska.
..Goss.. 06/24/2021
ATTN...WFO...DMX...FSD...OAX...GID...LBF...
LAT...LON42380017 42809988 43009887 42779705 42249585 41399521
40629571 40609748 40879923 41220011 42380017
Read more
Thu, 24 Jun 2021 03:13:03 +0000
Day 1 Convective Outlook CORR 1
NWS Storm Prediction Center Norman OK
0824 PM CDT Wed Jun 23 2021
Valid 240100Z - 241200Z
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER A PORTION
OF CENTRAL AND EASTERN NEBRASKA...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER A PORTION OF
THE CENTRAL PLAINS AND UPPER MIDWEST...
CORRECTED FOR MARGINAL RISK GRAPHIC IN SD
...SUMMARY...
Severe storms remain possible tonight across parts of the central
Plains and Upper Midwest. Damaging winds and large hail will be the
main threats.
...Central Plains region...
Tendency has been for storms that developed earlier during the late
afternoon to undergo a temporary weakening trend. The 00Z RAOB data
from Omaha and North Platte indicate a strong capping inversion
associated with warm air at the base of an elevated mixed layer.
This suggests that stronger forcing will be needed to sustain
organized convection into the overnight hours. A southerly nocturnal
low-level jet will strengthen to in excess of 45 kt this evening.
Meanwhile weak perturbations will move through the northern
periphery of an upper ridge situated over the central Plains. Cold
pools associated with high based convection currently moving east
out of western NE will interact with the strengthening low-level
jet, and this may provide the forcing needed to reinvigorate storms
during the evening. Given very steep lapse rates and strong
instability in place, the potential still exists for storms to
organize into an MCS and produce significant wind gusts.
..Dial.. 06/24/2021
Read more
Thu, 24 Jun 2021 01:31:46 +0000
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