Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 106, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 22, 2001, 5:41 PM CDT for Newton County, Texas. It was in force for 34 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 22, 2001, 5:41 PM CDT (22:41 UTC)
- Expired
- Jul 22, 2001, 6:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Newton County, TX
The radar
The Ft Polk radar (KPOE), 63 km from the middle of the area, began a volume at 22:44 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 |
|---|---|---|---|
| Jul 22, 5:45 PM CDT | Thunderstorm Wind | Burkeville, TX |
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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.7 hours before the alert went out and 109 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
- 1393 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 222242 SVRLCH TXC351-222315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 541 PM CDT SUN JUL 22 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NEWTON COUNTY IN SOUTHEAST TEXAS * UNTIL 615 PM CDT * AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME NORTHEASTERN NEWTON COUNTY... MOVING WEST AT 10 MPH. * THIS STORM WILL BE NEAR... BURKEVILLE AT 6 PM. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THEk WEATHER SERVICE. LAT...LON 3093 9359 3117 9358 3110 9371 3095 9364
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 Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 2:30 PM CDT, 3 hours 11 minutes earlier.
Area forecast discussion, Jul 22, 2:30 PM CDT, 3 hours 11 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 230 PM CDT SUN JUL 22 2001 WITH AIR TEMP PUSHING OVER THE 90 DEGREE MARK...LOCAL NWS RADARS SHOW A BROKEN LINE OF SHOWERS AND THUNDERSTORMS DEVELOPING ALONG SURFACE CONVERGENCE BOUNDARY FROM BETWEEN FORT POLK AND ALEXANDRIA SOUTHEAST TO THE COAST NEAR MARSH ISLAND AND OUT INTO THE GULF. VAD WIND PROFILE SHOWS MEAN WIND FROM THE NORTHEAST AT 15 KTS SO SHOWER AND THUNDERSTORMS THAT DEVELOP WILL PUSH TO THE SOUTHWEST. WATER VAPOR IMAGERY LOCATES CENTER OF UPPER LEVEL RIDGE OVER THE OZARKS. SHORT WAVE ENERGY ROTATING AROUND THIS RIDGE IS ENTERING THE FORECAST AREA AT THIS TIME. FURTHER UPSTREAM AREA OF SUBSIDENCE IN THE WAKE OF THIS ENERGY NOTED OVER THE TENNESSEE VALLEY. SHOWERS AND THUNDERSTORMS THAT DEVELOP DURING THE AFTERNOON SHOULD END DURING THE EARLY EVENING HOURS WITH THE LOSS OF DAYTIME HEATING AND SHORT WAVE EXITS THE AREA. ON MONDAY...NORTHEAST FLOW AROUND THE RIDGE WILL BRING DRIER AND WARMER AIR TO THE MID LEVELS. THIS WILL HELP CAP THE ATMOSPHERE AND AN EAST TO NORTHEAST FLOW AT 700 MB WILL KEEP ANY SEABREEZE ACTIVITY TO THE IMMEDIATE COASTLINE AND OFFSHORE. THEREFORE...SHOULD SEE ONLY WIDELY SCATTERED OR ABOUT 20 PERCENT POP COVERAGE. ON TUESDAY...POPS WILL INCREASE TO SCATTERED CATEGORY (30-40 PERCENT) AS INVERTED TROF AND SHEAR AXIS OVER FLORIDA PENINSULA AND NORTHEAST GULF RETROGRADES WESTWARD AND NEARS THE FORECAST AREA. THIS WILL HELP INCREASE MOISTURE PROFILES AGAIN AND SWITCH WIND FIELD AT 700 MB TO THE SOUTHEAST...ALLOWING ACTIVE SEABREEZE BOUNDARY TO PUSH INLAND. EXTENDED...WILL CONTINUE CHANCE OF RAIN THROUGHOUT THE WEEK AS MID LEVEL SHEAR AXIS AND LOW LEVEL SOUTHEAST FLOW SHOULD KEEP SEABREEZE ACTIVE. .LCH...OZONE ACTION DAY (MON)...TXZ201-215-216 .PRELIM NUMBERS... BPT 75/92/76/91/76 22232 LCH 76/92/76/91/76 22242 LFT 74/92/75/91/76 22242 AEX 75/95/75/94/75 22242 7-RUA
Nearby
Severe Thunderstorm Warnings in Texas, 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.