Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 133, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jun 21, 2001, 8:16 PM CDT for Ouachita Parish, Louisiana. It was in force for 44 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 21, 2001, 8:16 PM CDT (01:16 UTC)
- Expired
- Jun 21, 2001, 9:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Ouachita Parish, LA
The radar
The Shreveport radar (KSHV), 158 km from the middle of the area, began a volume at 01:17 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 |
|---|---|---|---|
| Jun 21, 8:40 PM CDT | Thunderstorm Wind 70 M | Calhoun, LA | Trees and power lines toppled. |
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
Shreveport, LA (KSHV), launched 00:00Z, 1.3 hours before the alert went out and 150 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
- 1164 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1628 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSHV 220118 SVRSHV LAC073-220200- /NEW.KSHV.SV.W.0198.220116-220200/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 816 PM CDT THU JUN 21 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OUACHITA PARISH IN NORTH CENTRAL LOUISIANA * UNTIL 900 PM CDT * AT 816 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS MOVING SOUTHEAST AT 25 MPH ACROSS THE PARISH. THESE STORMS WILL REACH MONROE BY AROUND 830 PM. THIS THUNDERSTORM WILL PRODUCE STRONG DAMAGING WINDS. DO NOT REMAIN OUTSIDE. TRUCKS AND OTHER HIGH PROFILE VEHICLES...PARTICULARLY ALONG INTERSTATE 20...ARE SUSCEPTIBLE TO STRONG WIND...AND MAY BE BLOWN OFF OF THE ROAD. REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR... OUACHITA PARISH IN NORTH CENTRAL LOUISIANA UNTIL 900 PM CDT.
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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 2:50 PM CDT, 5 hours 26 minutes earlier.
Area forecast discussion, Jun 21, 2:50 PM CDT, 5 hours 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 250 PM CDT THU JUN 21 2001 SEVERAL OUTFLOW BOUNDARIES TODAY AS EVIDENT IN VISIBLE SATELLITE... WHICH HAVE FIRED UP A LINE OF SHOWER AND THUNDERSTORM ACTIVITY ACROSS NW SECTIONS OF CWFA. SEA BREEZE TRIGGERING SCATTERED ACTIVITY ACROSS SOUTH. SHOULD BE AN INTERESTING MIX WHEN TWO AREAS MEET. AS PER ETA...WILL GO WITH THIS SYSTEM MOVING ON OUT OF THE SE SECTIONS BY MIDDAY FRI WITH SUNNY SKIES NW TO DECREASING CLOUDS SE. THIS FRONT SHOULD BRING A WELCOME COOL DOWN FOR FRIDAY NIGHT...BUT ALAS TEMPERATURES WILL SLOWLY REBOUND BY THE END OF THE WEEKEND. NEXT SHOT OF RAIN WILL COME BACK INTO PLAY BY TUE AND ON INTO WED AND THU...AS WE WILL GET THE RETURN OF A SOUTHERLY FETCH...SUMMERTIME AFTERNOON ACTIVITY TYPE OF ROUTINE TO COME BACK INTO PLAY. WILL STILL NUDGE DOWN TXK HIGH TEMPERATURES FROM MOS DUE TO CONTAMINATION OF DATA...OTHERWISE WILL NOT STRAY TOO FAR. PRELIMS... SHV 065/086 062/087 066 5000 MLU 069/085 063/087 065 6200 TXK 063/084 061/086 063 3000 TYR 064/084 062/089 066 4000 LFK 068/087 061/090 065 5100 20 .SHV...NONE.
In the hours before
Local storm report, Jun 21, 3:05 PM CDT, 5 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
305 PM CDT THU JUN 21 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....PARISH/COUNTY LOCATION....
0205 PM 2 S BETHEL OK .75 INCH HAIL
06/21/01 MCCURTAIN REPORTED ALONG HWY 259
BY GENERAL PUBLIC.
NNNNThe office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:05 PM CDT | Severe Thunderstorm Warning | SHV | Union | 40 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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; radar from the NEXRAD Level II archive.