Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 8, NWS Lubbock, TX

March 17, 2020King County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Mar 17, 2020, 1:00 PM CDT for King County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 17, 2020, 1:00 PM CDT (18:00 UTC)
Expired
Mar 17, 2020, 1:45 PM CDT
In force
45 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County King County, TX

The radar

The Altus AFB radar (KFDR), 144 km from the middle of the area, began a volume at 18:00 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 17, 8:44 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.0 hours before the alert went out and 223 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 12:00Z on 2020-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2020-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.19395878Sfc1 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
201 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 17, 12:41 PM CDT, 19 minutes earlier.

Area forecast discussion, Mar 17, 12:41 PM CDT, 19 minutes before
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Hazardous weather outlook, Mar 17, 11:28 AM CDT, 1 hour 32 minutes before
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In the hours before

Local storm report, Mar 17, 8:57 AM CDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
857 AM CDT TUE MAR 17 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0855 AM     HAIL             5 W LEVELLAND           33.58N 102.45W
03/17/2020  M1.00 INCH       HOCKLEY            TX   TRAINED SPOTTER

            SPOTTER CONFIRMED 1" HAIL

&&

EVENT NUMBER LUB2000149

HWS
Local storm report, Mar 17, 9:39 AM CDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
939 AM CDT TUE MAR 17 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0913 AM     HAIL             SMYER                   33.59N 102.16W
03/17/2020  E1.00 INCH       HOCKLEY            TX   BROADCAST MEDIA

&&

EVENT NUMBER LUB2000150

WCI
Local storm report, Mar 17, 9:49 AM CDT, 3 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
949 AM CDT TUE MAR 17 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0948 AM     HAIL             7 W LUBBOCK             33.58N 102.00W
03/17/2020  M0.75 INCH       LUBBOCK            TX   NWS EMPLOYEE

&&

EVENT NUMBER LUB2000151

WCI
Local storm report, Mar 17, 9:53 AM CDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
953 AM CDT TUE MAR 17 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 AM     HAIL             1 NE DOUD               33.56N 101.92W
03/17/2020  M1.00 INCH       LUBBOCK            TX   TRAINED SPOTTER

            OCCURRED AT MSF AND SLIDE

&&

EVENT NUMBER LUB2000152

WCI
Local storm report, Mar 17, 10:07 AM CDT, 2 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1007 AM CDT TUE MAR 17 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0947 AM     HAIL             3 ESE LUBBOCK SOUTH PLA 33.52N 101.87W
03/17/2020  M0.75 INCH       LUBBOCK            TX   TRAINED SPOTTER

            OCCURRED NEAR 77TH AND UNIVERSITY

&&

EVENT NUMBER LUB2000153

WCI
Local storm report, Mar 17, 10:47 AM CDT, 2 hours 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 11:43 PM CDTDense Fog AdvisoryLUBBailey, Briscoe, Castro, Childress, Cochran, Cottle and 14 more11 hr
Mar 17, 7:38 AM CDTSevere Thunderstorm WarningLUBBailey, Castro, Cochran, Hockley, Lamb, Yoakum67 min
Mar 17, 8:44 AM CDTSevere Thunderstorm WarningLUBHockley, Lubbock46 min
Mar 17, 8:52 AM CDTAreal Flood AdvisoryLUBCochran, Hockley113 min
Mar 17, 9:11 AM CDTAreal Flood AdvisoryLUBHockley2 hr
Mar 17, 9:24 AM CDTSevere Thunderstorm WarningLUBHale, Hockley, Lubbock66 min
Mar 17, 9:53 AM CDTAreal Flood AdvisoryLUBHale, Hockley, Lamb, Lubbock3 hr
Mar 17, 10:18 AM CDTSevere Thunderstorm WarningLUBCrosby, Lubbock57 min
Mar 17, 10:50 AM CDTAreal Flood AdvisoryLUBFloyd, Hale2 hr
Mar 17, 10:57 AM CDTSevere Thunderstorm WarningLUBFloyd26 min
Mar 17, 11:07 AM CDTSevere Thunderstorm WarningLUBCrosby, Dickens38 min
Mar 17, 11:22 AM CDTAreal Flood AdvisoryLUBBriscoe113 min
Mar 17, 11:42 AM CDTSevere Thunderstorm WarningLUBDickens48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning in 2020

Sources

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