Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 138, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jun 28, 2001, 2:49 AM CDT for Franklin County, Titus County, Texas. It was in force for 56 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 28, 2001, 2:49 AM CDT (07:49 UTC)
- Expired
- Jun 28, 2001, 3:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Franklin County, TX, Titus County, TX
The radar
The Shreveport radar (KSHV), 143 km from the middle of the area, began a volume at 07:53 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 28, 3:05 AM CDT | Hail 0.75 | Talco, 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
Shreveport, LA (KSHV), launched 00:00Z, 7.8 hours before the alert went out and 149 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1970 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 44 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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 2:45 AM CDT, 4 minutes earlier.
Area forecast discussion, Jun 28, 2:45 AM CDT, 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 245 AM CDT THU JUN 28 2001 CLUSTER OF THUNDERSTORMS RAPIDLY INTENSIFIED AROUND MIDNIGHT IN EAST TEXAS NORTH OF TYLER WITH BASEBALL SIZED HAIL REPORTED IN WOOD COUNTY. THUNDERSTORMS HAVE FORMED IN AN AREA OF HIGHER INSTABILITY. MESOETA INDICATED A VORT MAX ROTATING AROUND THE UPPER LOW WHICH IS HELPING TO ENHANCE THUNDERSTORMS. UPPER DIVERGENCE/DEFORMATION BETWEEN NW FLOW AROUND UPPER LOW IN SE MISSOURI AND FLOW THAT GOES TO THE SW AROUND UPPER HIGH OVER SOUTHERN NEW MEXICO IS MAIN FEATURE FOCUSING THE THUNDERSTORMS IN NORTHEAST TEXAS. STORMS DEVELOPED ABOUT 200 AM YESTERDAY AND KEPT GOING UNTIL ABOUT MID MORNING AND IT APPEARS THIS MORNINGS STORMS WILL CONTINUE THROUGH AT LEAST SUNRISE. THE ATMOSPHERE WILL CONTINUE TO BE UNSTABLE THE NEXT FEW DAYS AS UPPER LOW CURRENTLY OVER SOUTHEAST MISSOURI...SLOWLY MOVES SOUTH AND WEST INTO NORTHERN ARKANSAS BY SATURDAY MORNING AND THEN WEAKENS OVER THE FORECAST AREA SATURDAY NIGHT INTO SUNDAY. DAYTIME HEATING AND VORT MAXES ROTATING AROUND THE UPPER LOW WILL CONTINUE TO ENHANCE THUNDERSTORM DEVELOPMENT WITH A RISK FOR A FEW SEVERE THUNDERSTORMS...ESPECIALLY DURING THE LATE AFTERNOON AND EARLY EVENING. ISOLATED AREAS MAY EXPERIENCE ENHANCED DEVELOPMENT LATE AT NIGHT SIMILAR TO TONIGHTS STORMS IN NORTHEAST TEXAS. BOTH EXCESSIVE RAINFALL OUTLOOK AND QPF DISCUSSION FOCUSING ON HEAVY RAINFALL AREA IN WESTERN PART OF FORECAST AREA. CONVECTION OVER THE SOUTHERN PLAINS WILL HAVE ADDITIONAL SUPPORT WITH UPPER DIVERGENCE ASSOCIATED WITH THE LEFT EXIT REGION OF A JET TO SUPPORT SOME LOCALLY HEAVY RAINFALL OVER SOUTHERN OKLAHOMA AND NORTHEAST TEXAS THROUGH FRIDAY MORNING. WEAK MEAN UPPER FLOW WILL ALLOW INDIVIDUAL CELLS TO MOVE SLOWLY AND OVER THE SAME AREAS. THE AREA WILL BE TO SMALL TO ISSUE A FLASH FLOOD WATCH BUT WILL PUT LOCALLY HEAVY RAINFALL IN THE WORDING FOR NORTHEAST TEXAS AND SOUTHEAST OKLAHOMA. MAV SHOWING HIGHER POPS ACROSS NORTHERN SECTIONS CLOSER TO UPPER LOW WITH NGM FAIRLY UNIFORM. WILL GO WITH PERSISTENCE AND KEEP HIGHER POPS DURING THE DAY AND LOWER AT NIGHT. HIGH TEMPERATURES SHOULD RANGE THROUGH THE MID AND UPPER 80S TO POSSIBLY NEAR 90 AT LUFKIN. LOWS SHOULD STAY NEAR 70 AND BELOW WHERE RAINFALL OCCURS. PRELIMS... SHV 87/69/87/70 5454 MLU 87/70/88/70 5454 TXK 86/68/86/69 5454 TYR 87/71/87/70 5454 LFK 89/69/89/70 4354 09 .SHV...NONE.
In the hours before
Local storm report, Jun 28, 12:50 AM CDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT, LA
1250 AM CDT THU JUN 28 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1220 AM 7 N HAWKINS TX 2.75 INCH HAIL
06/28/01 WOOD REPORTED BY LAW
ENFORCEMENT
MWFThe office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 12:13 AM CDT | Severe Thunderstorm Warning | SHV | Wood | 62 min |
| Jun 28, 1:16 AM CDT | Severe Thunderstorm Warning | SHV | Wood | 59 min |
| Jun 28, 1:39 AM CDT | Flash Flood Warning | SHV | Wood | 6 hr |
| Jun 28, 3:05 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 25 min |
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.