Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 435, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 13, 1997, 2:57 PM CDT for Tensas Parish, Louisiana. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1997, 2:57 PM CDT (19:57 UTC)
- Expired
- Jul 13, 1997, 3:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Tensas Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 124 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
- 2216 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
215 WUUS1 KJAN 131958 RRA SVRJAN LAC107-132045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 257 PM CDT SUN JUL 13 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOUISIANA ...TENSAS PARISH AT 255 PM RADAR INDICATED SEVERE THUNDERSTORMS EIGHT MILES NORTHWEST OF ST. JOSEPH. LITTLE MOVEMENT WAS NOTED WITH THIS STORM...LOCALIZED FLOODING OF LOWLAND AREAS AND STREETS WILL BE POSSIBLE. THOSE TRAVELING ON US HIGHWAY 65 SHOULD BE ON THE LOOKOUT FOR THIS STORM AND FOR WATER COVERING THE ROAD. 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, Jul 13, 9:49 AM CDT, 5 hours 8 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-140400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT SUN JUL 13 1997 SCATTERED THUNDERSTORMS WILL AGAIN DEVELOP THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOW TO MID 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND. NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SP^OTTERS... HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY THIS AFTERNOON OR EVENING.
Special weather statement, Jul 13, 10:00 AM CDT, 4 hours 57 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-140400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT SUN JUL 13 1997 SCATTERED THUNDERSTORMS WILL AGAIN DEVELOP THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOW TO MID 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND. NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS... HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY THIS AFTERNOON OR EVENING.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 3:27 PM CDT | Flash Flood Warning | JAN | Tensas | 2 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive.