Alert archive / Mississippi / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 39, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 20, 2015, 4:44 PM CDT for George County, Greene County, Mississippi. It was in force for 26 min. 1 report 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
- May 20, 2015, 4:44 PM CDT (21:44 UTC)
- Expired
- May 20, 2015, 5:10 PM CDT
- In force
- 26 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties George County, MS, Greene County, MS
The radar
The Mobile radar (KMOB), 54 km from the middle of the area, began a volume at 21:44 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 |
|---|---|---|---|
| May 20, 4:50 PM CDT | TSTM WND DMG | 4 Wnw Vernal, MS | A FEW LARGE TREES DOWN NEAR GATLIN CREEK AND ST. ELLEN ROADS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.7 hours before the alert went out and 134 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
- 1843 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
101
WUUS54 KMOB 202144
SVRMOB
MSC039-041-202230-
/O.NEW.KMOB.SV.W.0039.150520T2144Z-150520T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
444 PM CDT WED MAY 20 2015
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN GEORGE COUNTY IN SOUTHEASTERN MISSISSIPPI...
SOUTHERN GREENE COUNTY IN SOUTHEASTERN MISSISSIPPI...
* UNTIL 530 PM CDT
* AT 443 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR MCLAIN...
OR 12 MILES NORTHWEST OF LUCEDALE...AND MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
LUCEDALE... ROYCE... MERRILL...
AVENT... ROCK CREEK... PISGAH...
BEXLEY... BROWN TOWN... LEAF...
VERNAL... BENJOE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.
THIS IS A DANGEROUS STORM. PREPARE FOR DESTRUCTIVE HAIL AND DAMAGING
WINDS. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY
FROM WINDOWS.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3110 8884 3112 8844 3100 8842 3090 8842
3093 8883
TIME...MOT...LOC 2143Z 266DEG 25KT 3103 8876
$$1 follow-up statement
142
WWUS54 KMOB 202210
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
510 PM CDT WED MAY 20 2015
MSC039-041-202220-
/O.CAN.KMOB.SV.W.0039.000000T0000Z-150520T2230Z/
GEORGE MS-GREENE MS-
510 PM CDT WED MAY 20 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GEORGE AND SOUTHERN
GREENE COUNTIES HAS BEEN CANCELLED...
AT 510 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN
GEORGE AND SOUTHERN GREENE COUNTIES HAS WEAKENED BELOW SEVERE LIMITS
THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3110 8884 3112 8844 3100 8842 3090 8842
3093 8883
TIME...MOT...LOC 2209Z 266DEG 25KT 3104 8854
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 2:31 PM CDT | Special Weather Statement | MOB | Wayne | 59 min |
| May 20, 3:25 PM CDT | Special Weather Statement | MOB | Perry | 50 min |
| May 20, 4:18 PM CDT | Severe Thunderstorm Warning | MOB | George, Perry, Stone | 28 min |
| May 20, 4:25 PM CDT | Special Weather Statement | MOB | Greene | 35 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2015Every severe thunderstorm warning in 2015
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.