Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 71, NWS Memphis, TN

April 30, 2002Panola County, Tate County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 30, 2002, 11:25 AM CDT for Panola County, Tate County, Mississippi. It was in force for 20 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
Apr 30, 2002, 11:25 AM CDT (16:25 UTC)
Expired
Apr 30, 2002, 11:45 AM CDT
In force
20 min
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

Counties Panola County, MS, Tate County, MS

The radar

The Memphis radar (KNQA), 88 km from the middle of the area, began a volume at 16:25 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

TimeReportWhereRemark
Apr 30, 11:40 AM CDTThunderstorm WindNew Town, MSSeveral trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 30, 10:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 4.4 hours before the alert went out and 32 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2002-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 956 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2002-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
956 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
335 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

044 
WUUS54 KMEG 301625
SVRMEM
MSC107-137-301645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1125 AM CDT TUE APR 30 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEAST PANOLA COUNTY IN NORTHWEST MISSISSIPPI
  SOUTHEAST TATE COUNTY IN NORTHWEST MISSISSIPPI

* UNTIL 1145 AM CDT.

* AT 1120 AM CDT...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 5
  MILES NORTHEAST OF COMO...MOVING SOUTHEAST AT 35 MPH.

* CITIES IN THE PATH OF THIS STORM THROUGH 1145 AM CDT INCLUDE...
  GLENVILLE...

.LARGE HAIL IS POSSIBLE WITH THIS STORM. IF YOU ARE IN THE PATH OF 
THIS STORM...MOVE TO A STURDY SHELTER

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3467 8989 3452 9000 3438 8973 3455 8960

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 7:26 AM CDTSevere Thunderstorm WarningMEGTunica49 min
Apr 30, 7:29 AM CDTSevere Thunderstorm WarningMEGLafayette, Panola46 min
Apr 30, 7:40 AM CDTSevere Thunderstorm WarningMEGDeSoto50 min
Apr 30, 9:42 AM CDTSevere Thunderstorm WarningMEGDeSoto33 min
Apr 30, 11:04 AM CDTSevere Thunderstorm WarningMEGLafayette41 min
Apr 30, 11:46 AM CDTSevere Thunderstorm WarningMEGPontotoc, Union29 min
Apr 30, 12:21 PM CDTSevere Thunderstorm WarningMEGLee, Pontotoc24 min
Apr 30, 12:47 PM CDTSevere Thunderstorm WarningMEGLee, Monroe28 min
Apr 30, 1:16 PM CDTSevere Thunderstorm WarningMEGMonroe29 min
Apr 30, 2:08 PM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall22 min
Apr 30, 2:26 PM CDTSevere Thunderstorm WarningMEGBenton, Marshall, Tippah49 min
Apr 30, 2:32 PM CDTSevere Thunderstorm WarningMEGLafayette28 min
Apr 30, 3:01 PM CDTSevere Thunderstorm WarningMEGLafayette, Pontotoc29 min
Apr 30, 3:07 PM CDTSevere Thunderstorm WarningMEGLee, Union23 min
Apr 30, 3:23 PM CDTTornado WarningMEGChickasaw, Pontotoc52 min
Apr 30, 3:32 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee43 min
Apr 30, 3:51 PM CDTTornado WarningMEGMonroe39 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.