Alert archive / Louisiana / Tornado Warnings in 1999
Tornado Warning 14, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Jan 8, 1999, 6:20 PM CST for East Carroll Parish, Louisiana; Issaquena County, Mississippi. It was in force for 35 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
- Jan 8, 1999, 6:20 PM CST (00:20 UTC)
- Expired
- Jan 8, 1999, 6:55 PM CST
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties East Carroll Parish, LA, Issaquena County, MS
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 8, 3:00 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 0.3 hours before the alert went out and 107 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
- 81 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KJAN 090021 RRA TORJAN LAC035-MSC055-090055- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 620 PM CST FRI JAN 8 1999 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI EAST CARROLL PARISH IN NORTHEASTERN LOUISIANA * UNTIL 655 PM CST * AT 619 PM CST... RADAR INDICATED A TORNADO 7 MILES SOUTH OF LAKE PROVIDENCE... MOVING EAST AT 30 MPH. THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS. IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM AWAY FROM WINDOWS. 67
What forecasters said that day
The local office's own words before this tornado 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, Jan 8, 2:40 PM CST, 3 hours 40 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 090400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 240 PM CST FRI JAN 8 1999 A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST AND WEST CENTRAL MISSISSIPPI TILL 800 PM TONIGHT. THIS TORNADO WATCH AREA MAY BE EXTENDED FARTHER TO THE EAST IN MISSISSIPPI LATER TONIGHT. SCATTERED THUNDERSTORMS OVER MAINLY WEST AND NORTH MISSISSIPPI TODAY WILL GRADUALLY INCREASE AND MOVE FARTHER EASTWARD TONIGHT. A DEVELOPING LOW PRESSURE SYSTEM WILL MOVE FROM THE ARKLATEX REGION TODAY AND WILL WOVE INTO TENNESSEE BY LATE THIS EVENING. THUNDERSTORMS WILL ORGANIZE ALONG THE TRAILING STRONG COLD FRONT THAT IS FORECAST TO SWEEP EASTWARD DURING THE NIGHT BRINGING THE THREAT FOR DAMAGING WINDS AND LARGE HAIL THROUGH MOST OF THE STATE. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT/CIVIL DEFENSE PERSONNEL WILL BE NECESSARY IN COUNTIES AND PARISHES COVERED BY THE CURRENT TORNADO WATCH AND MAY BECOME NECESSARY IN ADDITIONAL COUTIES IN MISSISSIPPI LATER TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 6:32 PM CST | Severe Thunderstorm Warning | JAN | West Carroll | 33 min |
| Jan 8, 7:39 PM CST | Severe Thunderstorm Warning | JAN | Morehouse | 51 min |
| Jan 8, 8:12 PM CST | Severe Thunderstorm Warning | JAN | West Carroll | 33 min |
| Jan 8, 8:20 PM CST | Severe Thunderstorm Warning | JAN | East Carroll | 45 min |
| Jan 8, 6:14 PM CST | Tornado Warning | JAN | Carroll | 51 min |
| Jan 8, 6:17 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Yazoo | 48 min |
| Jan 8, 6:44 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 36 min |
| Jan 8, 6:56 PM CST | Severe Thunderstorm Warning | JAN | Holmes | 34 min |
| Jan 8, 7:25 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 35 min |
| Jan 8, 7:58 PM CST | Severe Thunderstorm Warning | JAN | Leflore, Sunflower | 47 min |
| Jan 8, 8:20 PM CST | Severe Thunderstorm Warning | JAN | Issaquena, Washington | 45 min |
| Jan 8, 8:25 PM CST | Severe Thunderstorm Warning | JAN | Carroll, Grenada | 50 min |
Nearby
Tornado Warnings in Louisiana, 1999Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes in 1999
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.