Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 200, NWS Jackson, MS

June 13, 2002Rankin County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 13, 2002, 8:31 PM CDT for Rankin County, Mississippi. It was in force for 24 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: Jun 13, 2002, 8:31 PM CDT (01:31 UTC)
Expired: Jun 13, 2002, 8:55 PM CDT
In force: 24 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Rankin County, MS

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.5 hours before the alert went out and 31 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2001 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1441 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KJAN 140131
SVRJAN
MSC121-140155-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
831 PM CDT THU JUN 13 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEAST RANKIN COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 855 PM CDT

* AT 831 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 2 MILES WEST OF PUCKETT...OR ABOUT 10 MILES  
  NORTH OF MENDENHALL...MOVING EAST AT 20 MPH.

* DAMAGING WIND GUSTS TO 65 MPH AND HAIL TO THE SIZE OF DIMES ARE    
  LIKELY WITH THIS STORM.

LAT...LON 3217 8990 3207 8989 3208 8974 3219 8974

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 3:00 PM CDT, 5 hours 31 minutes earlier.

Area forecast discussion, Jun 13, 3:00 PM CDT, 5 hours 31 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CDT THU JUN 13 2002

CONVECTION FILLING IN ALONG OUTFLOW BOUNDARY FROM WRN TN INTO
CENTRAL AR. CONVECTION TO DEVELOP SWD WITH TIME BUT WILL BE MOVING
INTO SLIGHTLY MORE CAPPED AIR MASS. WILL SEE CONVECTION DEVELOP INTO
NRN ZONES...HELPED BY APPROACH OF RELATIVELY WEAK SHORTWAVE THIS
EVENING. MODELS SHOW STRONGER VORTLOBE MOVING INTO REGION AFTER
MIDNIGHT...ASSOCIATED WITH REMAINS OF THE MESOSCALE COMPLEX OVER
OK/NRN TX THIS AFTERNOON. DEEP MOISTURE FORECAST OVER REGION AFTER
MIDNIGHT AND MOS REFLECTS THIS WITH LIKELY POPS NRN
ZONES...DIMINISHING SWD.

GOOD 500 MB HEIGHT FALLS NOTED FOR FRIDAY AS THE SURFACE BOUNDARY
SHIFTS INTO CENTRAL MS. DEEP MOISTURE REMAINS IN PLACE AS THE
BOUNDARY SINKS SWD...FORECAST INTO SE MS BY 00Z. AIR MASS TO DRY
FROM THE NW DURING THE DAY BUT WITH WEAK SHORTWAVE SHIFTING IN FROM
THE W FRIDAY BUT WILL NOT TIME END TO PRECIP AT THIS TIME. ANY
PRECIP THAT CONTINUES FOR THE FRIDAY NIGHT PERIOD WILL ONLY LAST
INTO THE EVENING. WILL LEAVE CHANCE CATEGORY SE ZONES AND SLIGHT
CHANCE CENTRAL AREAS.

DRY WEATHER RETURNING FOR SATURDAY WITH NLY SURFACE FLOW IN THE WAKE
OF THE SURFACE BOUNDARY. WEAK SHORTWAVES MOVING THROUGH SATURDAY AND
SATURDAY NIGHT BUT AIR MASS TO REMAIN DRY.

NEXT SURFACE TROUGH MOVING INTO THE REGION SUNDAY. BOUNDARY WILL
REMAIN DIFFUSE AND BEST MOISTURE NOTED FOR WRN ZONES. LOW LEVEL SLY
FLOW RETURNING FOR MONDAY. MODELS SHOW SIGNIFICANT INCREASE IN
MOISTURE FIELD FOR MONDAY AS SHORTWAVES CONTINUE TO TRACK ACROSS THE
REGION IN NW FLOW ALOFT. SURFACE BOUNDARY REMAINS IN PLACE THROUGH
TUESDAY SO WILL KEEP CHANCE OF SHOWERS AND THUNDERSTORMS INTO NEXT
WEEK. AIR MASS DRYING BY WED AS SURFACE RIDGING DEVELOPS. WEATHER
LOOKS DRY WED AND THU.

JAN 71/88/65/85/63 5510
MEI 71/88/64/86/63 5510

.JAN...
AR...NONE.
LA...NONE.
MS...NONE.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 7:51 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	29 min
Jun 13, 8:06 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	24 min
Jun 13, 8:38 PM CDT	Severe Thunderstorm Warning	JAN	Smith	42 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2002 Every 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; the sounding from the Mesonet's radiosonde archive.