Alert archive / Arkansas / Tornado Warnings in 2011
Tornado Warning 117, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 26, 2011, 11:20 PM CDT for Ashley County, Chicot County, Arkansas. It was in force for 25 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 26, 2011, 11:20 PM CDT (04:20 UTC)
- Expired
- Apr 26, 2011, 11:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Ashley County, AR, Chicot County, AR
The radar
The Little Rock radar (KLZK), 176 km from the middle of the area, began a volume at 04:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 26, 11:40 PM CDT | FUNNEL CLOUD | Dermott, AR | FUNNEL CLOUD SPOTTED |
| Apr 26, 11:40 PM CDT | TSTM WND DMG | Dermott, AR | TWO TREES DOWN IN DERMOTT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 9:33 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 4.3 hours before the alert went out and 171 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
- 1600 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1229 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 12.6
The text
As transmitted, in the capitals the NWS used until 2016.
820
WFUS54 KJAN 270420
TORJAN
ARC003-017-270445-
/O.NEW.KJAN.TO.W.0117.110427T0420Z-110427T0445Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1120 PM CDT TUE APR 26 2011
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN ASHLEY COUNTY IN SOUTHEAST ARKANSAS...
NORTHERN CHICOT COUNTY IN SOUTHEAST ARKANSAS...
THIS INCLUDES THE CITY OF DERMOTT...
* UNTIL 1145 PM CDT
* AT 1120 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MONTROSE
MOVING NORTHEAST AT 60 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MCMILLAN CORNER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHERN
MISSISSIPPI.
&&
LAT...LON 3336 9166 3340 9162 3340 9146 3357 9144
3356 9135 3354 9133 3352 9127 3356 9123
3352 9118 3344 9123 3345 9118 3351 9117
3346 9111 3346 9108 3343 9120 3339 9119
3321 9149
TIME...MOT...LOC 0420Z 229DEG 53KT 3335 9151
$$
BYB1 follow-up statement
907
WWUS54 KJAN 270436
SVSJAN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1136 PM CDT TUE APR 26 2011
ARC003-270446-
/O.CAN.KJAN.TO.W.0117.000000T0000Z-110427T0445Z/
ASHLEY AR-
1136 PM CDT TUE APR 26 2011
...THE TORNADO WARNING FOR NORTHEASTERN ASHLEY COUNTY IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHERN
MISSISSIPPI.
LAT...LON 3356 9135 3354 9133 3352 9126 3356 9123
3351 9119 3344 9123 3345 9118 3351 9117
3346 9111 3345 9112 3343 9120 3339 9119
3324 9145 3340 9146 3357 9144
TIME...MOT...LOC 0436Z 226DEG 50KT 3350 9137
$$
ARC017-270445-
/O.CON.KJAN.TO.W.0117.000000T0000Z-110427T0445Z/
CHICOT AR-
1136 PM CDT TUE APR 26 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR NORTHERN
CHICOT COUNTY...
AT 1136 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS LOCATED NEAR DERMOTT MOVING NORTHEAST AT 55 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHERN
MISSISSIPPI.
&&
LAT...LON 3356 9135 3354 9133 3352 9126 3356 9123
3351 9119 3344 9123 3345 9118 3351 9117
3346 9111 3345 9112 3343 9120 3339 9119
3324 9145 3340 9146 3357 9144
TIME...MOT...LOC 0436Z 226DEG 50KT 3350 9137
$$
BYBThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 9:55 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 80 min |
| Apr 26, 10:54 PM CDT | Tornado Warning | JAN | Ashley | 41 min |
| Apr 26, 11:05 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 40 min |
| Apr 26, 11:27 PM CDT | Flash Flood Warning | JAN | Ashley, Chicot | 2 hr |
| Apr 26, 11:41 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 64 min |
| Apr 26, 11:46 PM CDT | Tornado Warning | JAN | Chicot | 59 min |
| Apr 27, 1:21 AM CDT | Flash Flood Warning | JAN | Ashley, Chicot | 114 min |
| Apr 27, 9:25 AM CDT | Special Weather Statement | JAN | Chicot | 60 min |
| Apr 27, 11:06 AM CDT | Special Weather Statement | JAN | Ashley, Chicot | 29 min |
| Apr 27, 11:22 AM CDT | Severe Thunderstorm Warning | JAN | Chicot | 53 min |
Nearby
Tornado Warnings in Arkansas, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.