Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 310, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 14, 1991, 7:00 PM CDT for Clarke County, Mississippi. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 14, 1991, 7:00 PM CDT (00:00 UTC)
- Expired
- Jul 14, 1991, 7:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Clarke County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 7:30 PM CDT | Thunderstorm Wind 0 | Clarke, MS |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 0.0 hours before the alert went out and 135 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
- 2009 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1405 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEI 150001 SVRMEI MSC023-150045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 700 PM CDT SUN JUL 14 1991 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...CLARKE COUNTY AT 659 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 6 MILES EAST AND SOUTHEAST OF QUITMAN MS. THE STORM WAS MOVING SOUTHEAST AT 15MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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.
In the hours before
Special weather statement, Jul 14, 6:27 PM CDT, 33 minutes before
MSZ003-008-010-011-012-LAZ003-004-150030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 625 PM CDT SUN JUL 14 1991 ...SCATTERED INTENSE THUNDERSTORMS OVER CENTRAL MISSISSIPPI... AT 615 PM CDT WEATHER SERVICE RADAR INDICATED AREAS OF SCATTERED INTENSE THUNDERSTORMS EXTENDING FROM NORTHEAST LOUISIANA THROUGH CENTRAL MISSISSIPPI. THE HEAVIEST ACTIVITY WAS IN NORTHEAST LOUISIANA NEAR LAKE PROVIDENCE AND IN MISSISSIPPI JUST WEST OF MYRICK IN JONES COUNTY. MOVEMENT OF THE STORMS WAS SOUTHEAST AT AROUND 10 MPH. SHOULD YOU BE CAUGHT OUTSIDE IN A THUNDERSTORM...TRY TO SEEK SHELTER AS SOON AS POSSIBLE. REMEMBER...DANGEROUS LIGHTNING IS OFTEN ASSOCIATED WITH THESE STORMS...AND COULD BE FATAL IF YOU REMAIN NEAR THE STORM. THESE STORMS ARE EXPECTED TO ALSO PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND SOME HAIL. STAY TUNE TO NOAA WEATHER RADIO...COMMERCIAL TV AND RADIO FOR ANY FURTHER WEATHER UPDATES AND POSSIBLE FUTURE WARNINGS.
Local storm report, Jul 14, 6:34 PM CDT, 26 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
630 PM CDT SUN JUL 13 1991
550 PM NICKLE SIZE HAIL NEAR STRINGER JASPER CO C.D.
550 PM TREE DOWN ON TRAILOR AND CAR JASPER CO C.tD.
5 MILES SOUTH OF STRINGERLocal storm report, Jul 14, 6:43 PM CDT, 17 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
640 PM CDT SUN JUL 13 1991
625 PM NUMEROUS TREES DOWN 1 - 2 MILES JONES CO C.D.
NORTH AND NORTHWEST OF LAUREL MS.
635 PM KNICKE SIZE HAIL 3 MILES EAST OF JONES CO C.D.
SAUNDERSVILLE MS.Nearby
Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991
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.