Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 27, NWS Shreveport, LA

March 24, 2021Franklin County, Red River County, Titus County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 24, 2021, 7:26 PM CDT for Franklin County, Red River County, Titus County, Texas. It was in force for 49 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 24, 2021, 7:26 PM CDT (00:26 UTC)
Expired
Mar 24, 2021, 8:15 PM CDT
In force
49 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Franklin County, TX, Red River County, TX, Titus County, TX

The radar

The Shreveport radar (KSHV), 148 km from the middle of the area, began a volume at 00:29 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

TimeReportWhereRemark
Mar 24, 7:28 PM CDTHAIL 1.51 Nnw Mount Vernon, TXCORRECTS PREVIOUS HAIL REPORT FROM 1 NNW MOUNT VERNON.
Mar 24, 7:41 PM CDTHAIL 1.51 Nnw Mount Vernon, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 24, 4:59 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.4 hours before the alert went out and 153 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 281 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
281 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

480 
WUUS54 KSHV 250026
SVRSHV
TXC159-387-449-250115-
/O.NEW.KSHV.SV.W.0027.210325T0026Z-210325T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
726 PM CDT Wed Mar 24 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Northern Franklin County in northeastern Texas...
  Northwestern Titus County in northeastern Texas...
  South central Red River County in northeastern Texas...

* Until 815 PM CDT.

* At 726 PM CDT, a severe thunderstorm was located over Mount Vernon,
  or 11 miles south of Hagansport, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Mount Vernon, Purley, Winfield, Talco, Miller's Cove, Hopewell,
  Harts Bluff and Cuthand.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3306 9517 3309 9530 3354 9508 3346 9487
TIME...MOT...LOC 0026Z 206DEG 28KT 3318 9519 

HAIL...1.25IN
WIND...60MPH
 
$$

15
1 follow-up statement
716 
WWUS54 KSHV 250102
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
802 PM CDT Wed Mar 24 2021

TXC159-250111-
/O.CAN.KSHV.SV.W.0027.000000T0000Z-210325T0115Z/
Franklin TX-
802 PM CDT Wed Mar 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FRANKLIN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Texas.

LAT...LON 3322 9512 3333 9512 3353 9505 3346 9487
TIME...MOT...LOC 0101Z 211DEG 25KT 3334 9508 

$$

TXC387-449-250115-
/O.CON.KSHV.SV.W.0027.000000T0000Z-210325T0115Z/
Titus TX-Red River TX-
802 PM CDT Wed Mar 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHWESTERN TITUS AND SOUTH CENTRAL RED RIVER COUNTIES...

At 802 PM CDT, a severe thunderstorm was located 7 miles west of 
Wilkerson, or 8 miles east of Hagansport, moving northeast at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Talco, Cuthand and Harts Bluff. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3322 9512 3333 9512 3353 9505 3346 9487
TIME...MOT...LOC 0101Z 211DEG 25KT 3334 9508 

HAIL...1.00IN
WIND...<50MPH
 
$$

15

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 8:39 PM CDTSpecial Weather StatementSHVRed River51 min
Mar 24, 10:09 PM CDTSpecial Weather StatementSHVBowie51 min
Mar 25, 2:41 AM CDTLake Wind AdvisorySHVAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more15 hr
Mar 25, 4:07 AM CDTSpecial Weather StatementSHVCamp, Upshur, Wood38 min
Mar 25, 4:55 AM CDTSpecial Weather StatementSHVBowie, Morris, Titus50 min
Mar 25, 5:16 AM CDTRiver Flood WarningSHVFranklin, Morris, Titus5 days
Mar 25, 7:11 AM CDTRiver Flood WarningSHVFranklin, Morris, Red River, Titus3 days

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.