Alert archive / Mississippi / Tornado Watches in 2013
Tornado Watch 44
The Storm Prediction Center issued this tornado watch at Feb 25, 2013, 3:54 PM CST for 8 counties in Alabama; 38 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 25, 2013, 3:54 PM CST (21:54 UTC)
- Expired
- Feb 25, 2013, 10:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 65 kt
All 46 counties
Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Grenada County, MS, Hancock County, MS, Harrison County, MS, Holmes County, MS, Humphreys County, MS, Jackson County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Scott County, MS, Smith County, MS, Stone County, MS, Sunflower County, MS, Wayne County, MS, Webster County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 61 km from the middle of the area, began a volume at 21:54 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 7:14 PM CST | Severe Thunderstorm Warning | JAN | Holmes, Humphreys, Issaquena, Sharkey, Warren, Yazoo | 46 min |
| Feb 25, 7:15 PM CST | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Feb 25, 7:48 PM CST | Flash Flood Warning | MOB | Mobile | 6 hr |
| Feb 25, 8:01 PM CST | Tornado Warning | JAN | Holmes, Madison, Yazoo | 29 min |
| Feb 25, 8:13 PM CST | Severe Thunderstorm Warning | JAN | Attala, Carroll, Holmes, Montgomery | 47 min |
| Feb 25, 9:02 PM CST | Severe Thunderstorm Warning | JAN | Choctaw, Grenada, Montgomery, Webster | 43 min |
| Feb 25, 9:48 PM CST | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 6 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.9 hours before the alert went out and 70 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 332 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
492
WWUS20 KWNS 252202
SEL4
SPC WW 252202
ALZ000-FLZ000-MSZ000-CWZ000-260400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 44
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CST MON FEB 25 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST ALABAMA
FAR WESTERN FLORIDA PANHANDLE
CENTRAL AND EASTERN MISSISSIPPI
COASTAL WATERS
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1000 PM CST.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 85 MILES NORTH NORTHWEST OF
MERIDIAN MISSISSIPPI TO 30 MILES SOUTHEAST OF GULFPORT
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...WW 41...WW 42...WW 43...
DISCUSSION...DIFFUSE WNW-ESE WARM FRONT OVER SRN LA AND THE N CNTRL
GULF EXPECTED TO CONTINUE REFORMING NWD AS MEAN SSWLY FLOW
STRENGTHENS ACROSS REGION DOWNSTREAM FROM PROGRESSIVE N TX UPR LOW.
ASSOCIATED INCREASE IN BOUNDARY LAYER MOISTURE/WARMING BENEATH
INCREASING UPR DIVERGENCE SUGGESTS LIKELIHOOD THAT EXISTING
SUSTAINED STORMS/SUPERCELLS NOW UPSTREAM FROM WW AREA WILL REMAIN
STRONG AS THEY MOVE/DEVELOP GENERALLY NE THROUGH LATE TNGT. THE
TORNADO THREAT MAY INCREASE LATER TNGT INVOF WARM FRONT OVER SRN
MS...SRN AL...AND THE FL PANHANDLE...DESPITE TIME OF DAY...AS MID
LVL FLOW VEERS AND STRENGTHENS IN RESPONSE TO THE CONTINUED ENE
MOTION OF UPR LOW.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 22045.
...CORFIDISPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 6:48 PM CST | Mesoscale Discussion | SPC | Baldwin, Mobile | 87 min |
| Feb 25, 2:50 AM CST | Mesoscale Discussion | SPC | Baldwin, Mobile | 115 min |
| Feb 25, 9:07 AM CST | Mesoscale Discussion | SPC | Baldwin, Escambia, Geneva, Mobile | 2 hr |
| Feb 25, 2:52 PM CST | Mesoscale Discussion | SPC | Baldwin, Choctaw, Clarke, Conecuh, Covington, Escambia and 3 more | 83 min |
| Feb 24, 11:57 PM CST | Mesoscale Discussion | SPC | Ascension, Assumption, Iberia, Jefferson, Lafourche, Livingston and 9 more | 63 min |
| Feb 25, 12:04 AM CST | Severe Thunderstorm Watch | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 14 more | 8 hr |
| Feb 25, 9:25 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 56 more | 65 min |
| Feb 25, 12:26 PM CST | Tornado Watch | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 58 more | 10 hr |
| Feb 25, 2:15 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 53 more | 90 min |
Nearby
Tornado Watches in Mississippi, 2013Tornado Watches in Alabama, 2013Every tornado watch in 2013
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.