Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Shreveport, LA

March 10, 2010Bowie County, Cass County, Morris County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 10, 2010, 2:34 PM CST for Bowie County, Cass County, Morris County, Texas. It was in force for 41 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 10, 2010, 2:34 PM CST (20:34 UTC)
Expired: Mar 10, 2010, 3:15 PM CST
In force: 41 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon

Counties Bowie County, TX, Cass County, TX, Morris County, TX

The radar

The Shreveport radar (KSHV), 115 km from the middle of the area, began a volume at 20:35 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
Mar 10, 3:00 PM CST	HAIL 0.88	Naples, TX
Mar 10, 3:03 PM CST	HAIL 1	Naples, TX	ONE INCH HAIL REPORTED IN NAPLES ALONG HWY 67.

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.

Issued	Product	Office	Lasted
Mar 10, 11:39 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.6 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 5 J/kg
Mixed-layer CIN: -354 J/kg
Mixed-layer LCL: 1443 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

269 
WUUS54 KSHV 102034
SVRSHV
TXC037-067-343-102115-
/O.NEW.KSHV.SV.W.0021.100310T2034Z-100310T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
234 PM CST WED MAR 10 2010

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BOWIE COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITIES OF...SIMMS...NEW BOSTON...
  NORTHWESTERN CASS COUNTY IN NORTHEAST TEXAS...
  MORRIS COUNTY IN NORTHEAST TEXAS...

* UNTIL 315 PM CST

* AT 231 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES NORTHWEST OF DAINGERFIELD...OR 10 MILES
  NORTHEAST OF PITTSBURG...AND MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY
  BRANCH...OMAHA...NAPLES...US 259 AND I 30 INTERSECTION...MAUD...
  REDWATER AND HOOKS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3334 9478 3333 9476 3335 9475 3352 9423
      3311 9421 3297 9480 3299 9482 3303 9482
TIME...MOT...LOC 2034Z 232DEG 39KT 3310 9480

$$

03

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 10:34 PM CST	River Flood Warning	SHV	Franklin, Morris, Red River, Titus	35 hr
Mar 10, 9:48 AM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston, Trinity	16 days
Mar 10, 9:50 AM CST	River Flood Warning	SHV	Angelina, Cherokee, Nacogdoches	14 days
Mar 10, 9:57 AM CST	River Flood Warning	SHV	Bowie, Cass, Morris	8 days
Mar 10, 1:39 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Red River, Titus	51 min
Mar 10, 1:53 PM CST	Severe Thunderstorm Warning	SHV	Camp, Franklin, Morris, Titus, Upshur, Wood	37 min
Mar 10, 2:27 PM CST	Severe Thunderstorm Warning	SHV	Bowie	48 min
Mar 10, 3:04 PM CST	Tornado Warning	SHV	Bowie	41 min
Mar 10, 3:18 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass	42 min
Mar 10, 3:54 PM CST	Severe Thunderstorm Warning	SHV	Gregg, Smith, Upshur, Wood	66 min
Mar 10, 3:57 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass	48 min
Mar 10, 4:36 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass	39 min
Mar 10, 5:05 PM CST	Severe Thunderstorm Warning	SHV	Camp, Cass, Gregg, Harrison, Marion, Morris and 4 more	55 min
Mar 10, 5:10 PM CST	Severe Thunderstorm Warning	SHV	Harrison, Panola	50 min
Mar 10, 5:43 PM CST	Severe Thunderstorm Warning	SHV	Cherokee, Gregg, Rusk, Smith	62 min
Mar 10, 5:56 PM CST	Severe Thunderstorm Warning	SHV	Cass	34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010 Every severe thunderstorm warning in 2010

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.