Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 294, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 27, 1997, 6:21 AM CDT for Bolivar County, Washington County, Mississippi. It was in force for 69 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
- May 27, 1997, 6:21 AM CDT (11:21 UTC)
- Expired
- May 27, 1997, 7:30 AM CDT
- In force
- 69 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Bolivar County, MS, Washington County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 6:57 AM CDT | Hail 0.75 | Hollandale, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 2:45 AM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 11.4 hours before the alert went out and 156 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
- 3427 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
871 WUUS1 KJAN 271122 RRA SVRJAN MSC011-151-271230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 621 AM CDT TUE MAY 27 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST MISSISSIPPI ...SOUTHERN BOLIVAR COUNTY...WASHINGTON COUNTY AT 620 AM DOPPLAR RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF BENOIT TO FIVE MILES WEST OF GREENVILLE. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. SOME OF THE CITIES IN ITS PATH INCLUDE GREENVILLE...BENOIT..SHAW AND CLEVELAND. DAMAGING WINDS AND HAIL UP TO THE SIZE OF QUARTERS ARE POSSIBLE. SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. <
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, May 27, 1:54 AM CDT, 4 hours 27 minutes before
MSZ026>029-032-033-270900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 154 AM CDT TUE MAY 27 1997 THE FOLLOWING COUNTIES HAVE BEEN CLEARED FOR SEVERE THUNDERSTORM WATCH NUMBER 331... CARROLL... CHOCTAW... GRENADA... MONTGOMERY... OKTIBBEHA... WEBSTER.. THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THE AREA FOR THE NEXT SEVERAL HOURS...ALTHOUGH SCATTERED SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE IN THE AREA EARLY THIS MORNING.
Special weather statement, May 27, 2:00 AM CDT, 4 hours 21 minutes before
MSZ026>029-032-033-270900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 154 AM CDT TUE MAY 27 1997 THE FOLLOWING COUNTIES HAVE BEEN CLEARED FOR SEVERE THUNDERSTORM WATCH NUMBER 331... CARROLL... CHOCTAW... GRENADA... MONTGOMERY... OKTIBBEHA... WEBSTER.. THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THE AREA FOR THE NEXT SEVERAL HOURS...ALTHOUGH SCATTERED SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE IN THE AREA EARLY( THIS MORNING.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:47 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 58 min |
| May 27, 5:49 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 41 min |
| May 27, 6:47 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 43 min |
| May 27, 6:56 AM CDT | Severe Thunderstorm Warning | JAN | Humphreys | 49 min |
| May 27, 7:07 AM CDT | Severe Thunderstorm Warning | JAN | Leflore | 53 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
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.