Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 211, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Sep 4, 1990, 3:55 PM CDT for Rankin County, Mississippi. It was in force for 35 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
- Sep 4, 1990, 3:55 PM CDT (20:55 UTC)
- Expired
- Sep 4, 1990, 4:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Rankin County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 4:00 PM CDT | Thunderstorm Wind 0 | Rankin, 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 12:00Z, 8.9 hours before the alert went out and 14 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
- 1038 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1556 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 13 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 KJAN 042055 SVRJAN MSC121-042130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 355 PM CDT TUE SEP 4 1990 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...RANKIN COUNTY AT 352 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM IN THE CROSSGATES AREA OF BRANDON. THIS STORM WAS MOVING TO THE SOUTHWEST AT 15 MPH. THIS STORM HAS PRODUCED STRONG WINDS IN THE CROSSGATES AREA SINCE 345 PM. IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM WINDOWS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. <
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, Sep 4, 3:04 PM CDT, 51 minutes before
MSZALL-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 300 PM CDT TUE SEP 4 1990 ...HEAT WILL CONTINUE SEVERAL MORE DAYS UNTIL RELIEF ABLE TO ARRIVE... A SPRAWLING HIGH PRESSURE SYSTEM FROM THE SURFACE THROUGH 20 THOUSAND FEET WAS STATIONARY OVER SOUTHERN MISSOURI AND WILL KEEP MISSISSIPPI IN IT/S HOT CLUTCHES FOR SEVERAL MORE DAYS. DAYTIME TEMPERATURES WILL REACH THE CENTURY MARK AT MANY LOCATIONS ON WEDNESDAY AND THURSDAY WHICH WILL PUSH THE HEAT INDEX VALUES TO AROUND 110 DEGREES DURING THE HOTTEST PARTS OF THE DAY. SPOTTY AFTERNOON AND EVENING THUNDERSTORMS WILL HAVE LITTLE CHANCE OF MAKING MUCH OF A DENT IN THIS HOT PATTERN THROUGH FRIDAY. BY SATURDAY THOUGH...SOME RELIEF MAY BE IN THE OFFERING AS ANOTHER COOL FRONTAL SYSTEM DIVES TOWARD THE REGION. THIS SYSTEM SHOULD ALLOW HIGH TEMPERATURES TO RETURN TO MORE NORMAL LEVELS OVER THE WEEKEND. UNTIL THEN...RESIDENTS OF THE MAGNOLIA STATE SHOULD TAKE COMMON SENSE PRECAUTIONS TO PROTECT THEMSELVES FROM THE HEAT. DRINK PLENTY OF WATER... SLOW DOWN...AVOID SUNBURN...SPEND MORE TIME IN AIR CONDITIONED PLACES SUCH AS SHOPPING MALLS...AND REMEMBER TO CHECK ON YOUR ELDERLY FRIENDS. ALSO DON`T LEAVE CHILDRE~N OR PETS UNATTENDED IN AUTOMOBILES OR OTHER LOCATIONS WITHOUT ADEQUATE VENTILATION.
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990
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.