Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 12, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 5, 2011, 9:15 AM CST for George County, Perry County, Stone County, Mississippi. It was in force for 26 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
- Mar 5, 2011, 9:15 AM CST (15:15 UTC)
- Expired
- Mar 5, 2011, 9:41 AM CST
- In force
- 26 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties George County, MS, Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 73 km from the middle of the area, began a volume at 15:19 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 5, 8:54 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.3 hours before the alert went out and 106 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
- 960 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 451 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
600 WUUS54 KMOB 051515 SVRMOB MSC039-111-131-051600- /O.NEW.KMOB.SV.W.0012.110305T1515Z-110305T1600Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 915 AM CST SAT MAR 5 2011 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL GEORGE COUNTY IN SOUTHEAST MISSISSIPPI... SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI... NORTHEASTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI... * UNTIL 1000 AM CST * AT 910 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES EAST OF WIGGINS...OR 15 MILES NORTH OF SAUCIER...AND MOVING NORTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DEEP CREEK AND BARBARA AROUND 945 AM CST... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3106 8890 3091 8876 3078 8905 3089 8909 TIME...MOT...LOC 1515Z 227DEG 15KT 3085 8903 $$
1 follow-up statement
537 WWUS54 KMOB 051541 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 941 AM CST SAT MAR 5 2011 MSC039-111-131-051550- /O.CAN.KMOB.SV.W.0012.000000T0000Z-110305T1600Z/ GEORGE MS-STONE MS-PERRY MS- 941 AM CST SAT MAR 5 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PERRY... NORTHEASTERN STONE AND WEST CENTRAL GEORGE COUNTIES IS CANCELLED... AT 940 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE STORM THAT PROMPTED THE WARNING HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3106 8890 3091 8876 3078 8905 3089 8909 TIME...MOT...LOC 1540Z 227DEG 15KT 3092 8894 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 9:26 AM CST | Areal Flood Advisory | MOB | Stone | 2 hr |
| Mar 5, 10:04 AM CST | Tornado Warning | MOB | Greene, Perry | 41 min |
| Mar 5, 10:42 AM CST | Flash Flood Warning | MOB | Perry | 2 hr |
| Mar 5, 10:46 AM CST | Tornado Warning | MOB | Greene | 44 min |
| Mar 5, 11:26 AM CST | Areal Flood Advisory | MOB | Greene | 2 hr |
| Mar 5, 11:54 AM CST | Severe Thunderstorm Warning | MOB | Greene | 50 min |
| Mar 5, 11:58 AM CST | Areal Flood Advisory | MOB | Greene | 2 hr |
| Mar 5, 12:50 PM CST | Flash Flood Warning | MOB | Greene, Perry | 3 hr |
| Mar 5, 1:16 PM CST | Flash Flood Watch | MOB | George, Greene, Perry, Stone, Wayne | 6 hr |
| Mar 5, 1:39 PM CST | Areal Flood Advisory | MOB | Greene, Perry, Wayne | 2 hr |
| Mar 5, 2:50 PM CST | Flash Flood Warning | MOB | Stone | 4 hr |
| Mar 5, 3:23 PM CST | Flash Flood Warning | MOB | Greene, Perry, Wayne | 3 hr |
| Mar 5, 3:48 PM CST | Flash Flood Warning | MOB | Greene, Perry | 3 hr |
| Mar 5, 4:17 PM CST | Areal Flood Advisory | MOB | George | 118 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.