Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 213, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 2, 1997, 2:43 PM CDT for Webster County, Mississippi. It was in force for 47 min. 2 reports 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 2, 1997, 2:43 PM CDT (19:43 UTC)
- Expired
- May 2, 1997, 3:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Webster County, MS
The radar
The Columbus AFB radar (KGWX), 94 km from the middle of the area, began a volume at 19:47 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 2, 3:20 PM CDT | Hail 0.88 | Tomnolen, MS | |
| May 2, 3:25 PM CDT | Thunderstorm Wind | Eupora, MS | Numerous trees were blown down along Highway 82 and the Natchez Trace Parkway. |
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 2, 12:15 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 7.7 hours before the alert went out and 148 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
- 496 J/kg
- Mixed-layer CIN
- -404 J/kg
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 534 m²/s²
- 0-3 km storm-relative helicity
- 701 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 021948 COR SVRJAN MSC155-022030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 243 PM CDT FRI MAY 2 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MISSISSIPPI ...WEBSTER COUNTY AT 245 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ALONG THE COUNTY LINE...WEST OF EUPORA. THE STORMS ARE MOVING NORTHEAST AT 45 MILES AN HOUR. THE LINE WILL REACH EUPORA BY 310 PM. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. < 77
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 2, 10:13 AM CDT, 4 hours 30 minutes before
MSZ001>082-030400- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT FRI MAY 02 1997 SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF AN OUTFLOW BOUNDARY MOVING INTO NORTHWEST MISSISSIPPI. A STRONG UPPER LEVEL DISTURBANCE ASSOCIATED WITH A SURFACE COLD FRONT WILL APPROACH THE AREA AND TRIGGER STRONG THUNDERSTORMS FOR THIS AFTERNOON THROUGH TONIGHT. SEVERE WEATHER WILL DEVELOP ACROSS THE REGION IN THE FORM OF LARGE HAIL...DAMAGING WINDS AND POSSIBLE ISOLATED TORNADOES THROUGH TONIGHT. IT WILL LIKELY BECOME NECESSARY TO ACTIVATE STORM SPOTTERS...HAM RADIO OPERATORS...AND PUBLIC SAFETY AND EMERGENCY PERSONNEL FOR THIS AFTERNOON AND TONIGHT.
Special weather statement, May 2, 10:15 AM CDT, 4 hours 28 minutes before
MSZ001>082-030400- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1015 AM CDT FRI MAY 02 1997 SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF AN OUTFLOW BOUNDARY MOVING INTO NORTHWEST MISSISSIPPI. A STRONG UPPER LEVEL DISTURBANCE ASSOCIATED WITH A SURFACE COLD FRONT WILL APPROACH THE AREA AND TRIGGER STRONG THUNDERSTORMS FOR THIS AFTERNOON THROUGH TONIGHT. SEVERE WEATHER WILL DEVELOP ACROSS THE REGION IN THE FORM OF LARGE HAIL...DAMAGING WINDS AND POSSIBLE ISOLATED TORNADOES THROUGH TONIGHT. IT WILL LIKELY BECOME NECESSARY TO ACTIVATE STORM SPOTTERS...HAM RADIO OPERATORS...AND PUBLIC SAFETY AND EMERGENCY PERSONNEL FOR THIS AFTERNOON AND TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 11:48 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 42 min |
| May 2, 12:06 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 39 min |
| May 2, 1:51 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 54 min |
| May 2, 2:05 PM CDT | Severe Thunderstorm Warning | JAN | Carroll | 55 min |
| May 2, 2:26 PM CDT | Severe Thunderstorm Warning | JAN | Montgomery | 49 min |
| May 2, 2:53 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw | 52 min |
| May 2, 3:18 PM CDT | Severe Thunderstorm Warning | JAN | Oktibbeha | 42 min |
| May 2, 3:57 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 33 min |
| May 2, 4:03 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 57 min |
| May 2, 4:18 PM CDT | Tornado Warning | JAN | Leflore | 42 min |
| May 2, 4:34 PM CDT | Tornado Warning | JAN | Carroll, Grenada | 56 min |
| May 2, 4:53 PM CDT | Tornado Warning | JAN | Montgomery | 52 min |
| May 2, 5:12 PM CDT | Tornado Warning | JAN | Issaquena, Sharkey | 63 min |
| May 2, 5:19 PM CDT | Tornado Warning | JAN | Washington | 41 min |
| May 2, 5:22 PM CDT | Tornado Warning | JAN | Webster | 53 min |
| May 2, 5:55 PM CDT | Tornado Warning | JAN | Humphreys | 65 min |
| May 2, 6:08 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 52 min |
| May 2, 6:11 PM CDT | Tornado Warning | JAN | Holmes | 64 min |
| May 2, 6:29 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 46 min |
| May 2, 6:47 PM CDT | Tornado Warning | JAN | Attala, Carroll, Montgomery | 58 min |
| May 2, 6:59 PM CDT | Tornado Warning | JAN | Humphreys | 46 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; radar from the NEXRAD Level II archive.