Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Shreveport, LA

June 7, 20217 counties in Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 7, 2021, 12:37 PM CDT for 7 counties in Texas. It was in force for 53 min. 5 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
Jun 7, 2021, 12:37 PM CDT (17:37 UTC)
Expired
Jun 7, 2021, 1:30 PM CDT
In force
53 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cherokee County, TX, Gregg County, TX, Nacogdoches County, TX, Rusk County, TX, Smith County, TX, Upshur County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 149 km from the middle of the area, began a volume at 17:41 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
Jun 7, 12:40 PM CDTTSTM WND DMG4 Wnw Hawkins, TXSEVERAL TREES BLOWN DOWN IN AN RV PARK WITH ONE TREE FALLING ON AND DESTROYING AN RV.
Jun 7, 1:08 PM CDTTSTM WND DMGJacksonville, TXSEVERAL TREES BLOWN DOWN.
Jun 7, 1:09 PM CDTTSTM WND DMG1 Ne Reklaw, TXTREE DOWN ON CR4255.
Jun 7, 1:12 PM CDTTSTM WND DMG2 S Henderson, TXTREE ACROSS US-259.
Jun 7, 1:13 PM CDTTSTM WND DMG9 Nnw Mount Enterprise, TXTREE DOWN ON CR 490 NEAR LANEVILLE.

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
Jun 7, 12:32 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 5.6 hours before the alert went out and 158 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 12:00Z on 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2401 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 12:00Z on 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
2401 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

113 
WUUS54 KSHV 071737
SVRSHV
TXC073-183-347-401-423-459-499-071830-
/O.NEW.KSHV.SV.W.0161.210607T1737Z-210607T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1237 PM CDT Mon Jun 7 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Smith County in northeastern Texas...
  Western Rusk County in northeastern Texas...
  Northwestern Nacogdoches County in eastern Texas...
  Southeastern Wood County in northeastern Texas...
  Central Upshur County in northeastern Texas...
  Gregg County in northeastern Texas...
  Cherokee County in northeastern Texas...

* Until 130 PM CDT.

* At 1236 PM CDT, severe thunderstorms were located along a line
  extending from near Mineola to 7 miles east of Palestine, moving
  east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Tyler, Longview, Jacksonville, Henderson, Kilgore, Whitehouse,
  White Oak, Gladewater, Rusk, Gilmer, Mineola, Lindale, Overton,
  Bullard, Troup, Big Sandy, Hawkins, Alto, New London and
  Berryville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3276 9551 3279 9476 3159 9475 3160 9526
      3168 9529 3174 9533 3173 9537 3175 9536
      3176 9540 3182 9540 3185 9544 3193 9542
      3199 9545 3205 9542 3215 9548 3218 9546
      3223 9549 3230 9545 3236 9545 3242 9551
TIME...MOT...LOC 1736Z 269DEG 49KT 3264 9554 3174 9552 

HAIL...<.75IN
WIND...60MPH
 
$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:09 PM CDTSpecial Weather StatementSHVSmith51 min
Jun 6, 7:43 PM CDTSpecial Weather StatementSHVShelby62 min
Jun 6, 7:51 PM CDTAreal Flood AdvisorySHVSmith114 min
Jun 6, 7:54 PM CDTSevere Thunderstorm WarningSHVSmith51 min
Jun 7, 3:04 AM CDTFlash Flood WatchSHVBowie, Camp, Cass, Cherokee, Franklin, Gregg and 10 more52 hr
Jun 7, 8:03 AM CDTRiver Flood WarningSHVNacogdoches, Rusk49 hr
Jun 7, 8:47 AM CDTRiver Flood WarningSHVGregg24 hr
Jun 7, 8:52 AM CDTRiver Flood WarningSHVCherokee, Nacogdoches, Rusk, Smith4 days
Jun 7, 11:51 AM CDTSpecial Weather StatementSHVCherokee, Smith54 min
Jun 7, 1:41 PM CDTSpecial Weather StatementSHVAngelina, Harrison, Nacogdoches, Panola, Rusk49 min
Jun 7, 2:20 PM CDTSpecial Weather StatementSHVPanola40 min
Jun 7, 2:30 PM CDTSpecial Weather StatementSHVAngelina, San Augustine, Shelby45 min
Jun 7, 3:37 PM CDTSpecial Weather StatementSHVSabine53 min

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.