Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 331, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 13, 2011, 2:42 AM CDT for Ashley County, Chicot County, Arkansas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 13, 2011, 2:42 AM CDT (07:42 UTC)
- Expired
- May 13, 2011, 3:30 AM CDT
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Ashley County, AR, Chicot County, AR
The radar
The Jackson/Brandon,MS radar (KDGX), 177 km from the middle of the area, began a volume at 07:42 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 7.7 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 98 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 2236 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
225 WUUS54 KJAN 130742 SVRJAN ARC003-017-130830- /O.NEW.KJAN.SV.W.0331.110513T0742Z-110513T0830Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 242 AM CDT FRI MAY 13 2011 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ASHLEY COUNTY IN SOUTHEAST ARKANSAS... NORTHERN CHICOT COUNTY IN SOUTHEAST ARKANSAS... THIS INCLUDES THE CITY OF LAKE VILLAGE... * UNTIL 330 AM CDT * AT 241 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES WEST OF PARKDALE MOVING NORTHEAST AT 30 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PORTLAND...MONTROSE AND MCMILLAN CORNER WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES COULD OCCUR. LAT...LON 3349 9132 3332 9116 3304 9163 3318 9177 TIME...MOT...LOC 0741Z 232DEG 26KT 3317 9161 $$ 7
2 follow-up statements
044 WWUS54 KJAN 130805 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 305 AM CDT FRI MAY 13 2011 ARC003-017-130830- /O.CON.KJAN.SV.W.0331.000000T0000Z-110513T0830Z/ ASHLEY AR-CHICOT AR- 305 AM CDT FRI MAY 13 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR NORTHERN CHICOT AND EASTERN ASHLEY COUNTIES... AT 305 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MONTROSE MOVING NORTHEAST AT 40 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE VILLAGE AND MCMILLAN CORNER WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES COULD OCCUR. LAT...LON 3349 9132 3332 9116 3304 9163 3318 9177 TIME...MOT...LOC 0805Z 226DEG 35KT 3337 9142 $$ 7
000 WWUS54 KJAN 130813 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 313 AM CDT FRI MAY 13 2011 ARC003-130823- /O.CAN.KJAN.SV.W.0331.000000T0000Z-110513T0830Z/ ASHLEY AR- 313 AM CDT FRI MAY 13 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ASHLEY COUNTY IS CANCELLED... THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. LAT...LON 3349 9132 3335 9119 3325 9138 3340 9145 TIME...MOT...LOC 0813Z 224DEG 36KT 3342 9138 $$ ARC017-130830- /O.CON.KJAN.SV.W.0331.000000T0000Z-110513T0830Z/ CHICOT AR- 313 AM CDT FRI MAY 13 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR CENTRAL CHICOT COUNTY... AT 313 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MCMILLAN CORNER MOVING NORTHEAST AT 40 MPH. THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES COULD OCCUR. LAT...LON 3349 9132 3335 9119 3325 9138 3340 9145 TIME...MOT...LOC 0813Z 224DEG 36KT 3342 9138 $$ 7
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 1:29 AM CDT | Special Weather Statement | JAN | Ashley | 46 min |
| May 13, 2:26 AM CDT | Special Weather Statement | JAN | Chicot | 44 min |
| May 13, 3:25 AM CDT | Severe Thunderstorm Warning | JAN | Chicot | 36 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.