Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 107, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jun 11, 2001, 5:15 AM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 60 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
- Jun 11, 2001, 5:15 AM CDT (10:15 UTC)
- Expired
- Jun 11, 2001, 6:15 AM CDT
- In force
- 60 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Hancock County, MS, Pearl River County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 5:25 AM CDT | Thunderstorm Wind | Poplarville, MS | A barn was damaged and several cars damaged. |
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 nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.3 hours before the alert went out and 40 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
- 877 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- -75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 2:30 AM CDT, 2 hours 45 minutes earlier.
Area forecast discussion, Jun 11, 2:30 AM CDT, 2 hours 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 230 AM CDT MON JUN 11 2001 HEAVY RAIN ALONG WITH EMBEDDED STRONG THUNDERSTORMS NOW FIRING OVER EXTREME S CENTRAL AND SE LA AND EXTENDING OVER THE MS COAST AS THE REMNANTS OF ALLISON...NOW A TIGHT AREA OF LOW PRES...MOVES ENE ACROSS SE LA. BOTH THE 00Z AVN AND ETA NOT INITIALIZED WELL OVER THE CENTRAL GULF COAST AS BOTH HAVE THE AREA OF LOW PRES TOO FAR TO THE W WHICH MAKES THE QPF NOT VERY RELIABLE FOR THE SHORT TERM. OF THE TWO...THE ETA LOOKS TO BE CLOSER TO THE CURRENT MESO PATTERN SO WILL MORE OR LESS TREND TOWARD THIS SOLUTION STARTING 24HR OUT. IN THE MEAN TIME...WILL GO WITH EXTRAPOLATION IN TRYING TO PIN DOWN THE PRECIP FORECAST WHICH WILL PLACE THE HIGHEST POPS WHERE CONVECTION IS FIRING MOST. LIKEWISE...WILL TONE DOWN THE FFA TO INCLUDE ONLY THOSE AREAS MENTIONED ABOVE WITH A FLOODING THREAT. BEYOND THE FIRST TWO PERIODS...WILL PRETTY MUCH LET CURRENT PACKAGE RIDE WITH TRENDING BACK TOWARD A CLIMO PATTERN HIGHLIGHTING A CHANCE FOR MAINLY AFTERNOON AND EVENING SHOWERS AND TSTMS WITH TEMPS REBOUNDING BACK TOWARD SEASONAL TRENDS. PRELIM NUMBERS... MCB 082/069/087/067 3232 BTR 083/071/088/070 3232 MSY 083/072/088/072 7332 GPT 081/072/086/072 +332 .NEW...SCA FROM KPQL TO THE ATCHAFALAYA RIVER OUT 60NM LA...FLASH FLOOD/FLOOD WATCH LAZ039>040-060>064-068>70. MS...FLASH FLOOD/FLOOD WATCH MSZ077-080>82. 09
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:04 PM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 3 hr |
| Jun 10, 8:39 PM CDT | Flash Flood Warning | LIX | Saint James, Saint John the Baptist | 2 hr |
| Jun 10, 10:19 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 41 min |
| Jun 10, 10:56 PM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 94 min |
| Jun 11, 12:32 AM CDT | Flash Flood Warning | LIX | Jefferson, Lafourche | 88 min |
| Jun 11, 1:48 AM CDT | Flash Flood Warning | LIX | Orleans, Plaquemines, Saint Bernard, Saint Tammany | 117 min |
| Jun 11, 3:42 AM CDT | Flash Flood Warning | LIX | Saint Bernard, Saint Tammany | 93 min |
| Jun 11, 4:49 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 56 min |
| Jun 11, 1:05 AM CDT | Severe Thunderstorm Warning | LIX | Hancock | 55 min |
| Jun 11, 1:59 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 61 min |
| Jun 11, 2:51 AM CDT | Flash Flood Warning | LIX | Hancock, Pearl River | 3 hr |
| Jun 11, 3:30 AM CDT | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Jun 11, 4:20 AM CDT | Tornado Warning | LIX | Pearl River | 30 min |
| Jun 11, 4:28 AM CDT | Tornado Warning | LIX | Harrison | 32 min |
| Jun 11, 4:57 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 63 min |
| Jun 11, 5:09 AM CDT | Tornado Warning | LIX | Harrison | 36 min |
| Jun 11, 5:30 AM CDT | Tornado Warning | LIX | Pearl River | 30 min |
| Jun 11, 5:37 AM CDT | Tornado Warning | LIX | Jackson | 38 min |
| Jun 11, 6:09 AM CDT | Tornado Warning | LIX | Jackson | 36 min |
| Jun 11, 6:25 AM CDT | Flash Flood Warning | LIX | Jackson | 95 min |
| Jun 11, 6:44 AM CDT | Tornado Warning | LIX | Jackson | 31 min |
| Jun 11, 9:06 AM CDT | Tornado Warning | LIX | Jackson | 19 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2001Every severe thunderstorm warning in 2001
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.