Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Amarillo, TX

March 18, 2012Carson County, Hutchinson County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 18, 2012, 11:51 PM CDT for Carson County, Hutchinson County, Texas. It was in force for 39 min. 1 report 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 18, 2012, 11:51 PM CDT (04:51 UTC)
Expired
Mar 19, 2012, 12:30 AM CDT
In force
39 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon

Counties Carson County, TX, Hutchinson County, TX

The radar

The Amarillo radar (KAMA), 60 km from the middle of the area, began a volume at 04:51 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 19, 12:00 AM CDTHAIL 0.885 W Borger, TX

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.9 hours before the alert went out and 60 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, Amarillo Airport, TX at 00:00Z on 2012-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4154 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

914 
WUUS54 KAMA 190451
SVRAMA
TXC065-233-190530-
/O.NEW.KAMA.SV.W.0013.120319T0451Z-120319T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1151 PM CDT SUN MAR 18 2012

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARSON COUNTY IN THE PANHANDLE OF TEXAS
  HUTCHINSON COUNTY IN THE PANHANDLE OF TEXAS

* UNTIL 1230 AM CDT

* AT 1147 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES SOUTHWEST
  OF BORGER TO 10 MILES NORTHWEST OF PANHANDLE TO 8 MILES WEST OF    
  PANHANDLE...MOVING EAST NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SKELLYTOWN...
  PANHANDLE...
  WHITE DEER...
  BORGER...
  SANFORD...
  STINNETT...
  PRINGLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

&&

LAT...LON 3604 10112 3563 10111 3525 10111 3524 10156
      3545 10157 3600 10159
TIME...MOT...LOC 0451Z 269DEG 40KT 3555 10145 3545 10144
          3538 10146

$$

MOULTON
1 follow-up statement
040 
WWUS54 KAMA 190515
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1215 AM CDT MON MAR 19 2012

TXC065-233-190530-
/O.CON.KAMA.SV.W.0013.000000T0000Z-120319T0530Z/
HUTCHINSON TX-CARSON TX-
1215 AM CDT MON MAR 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR CENTRAL CARSON AND CENTRAL HUTCHINSON COUNTIES...

AT 1213 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 16 MILES SOUTHEAST OF BORGER
TO 15 MILES NORTHEAST OF PANHANDLE TO 13 MILES EAST OF PANHANDLE...OR
ALONG A LINE EXTENDING FROM 10 MILES WEST OF PAMPA TO 12 MILES 
SOUTHWEST OF PAMPA TO 13 MILES EAST NORTHEAST OF PANHANDLE...MOVING 
EAST AT 45 MPH.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

LAT...LON 3601 10145 3604 10112 3563 10116 3526 10123
      3524 10156 3545 10157
TIME...MOT...LOC 0514Z 269DEG 40KT 3555 10114 3545 10113
          3538 10115

$$

MOULTON

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 9:01 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray44 min
Mar 18, 9:41 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray5 min
Mar 19, 1:57 AM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray, Hemphill, Wheeler93 min
Mar 19, 4:16 AM CDTRed Flag WarningAMADallam, Hartley16 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012

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.