Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 4, NWS Houston/Galveston, TX

March 30, 2002Polk County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Mar 30, 2002, 6:33 PM CST for Polk County, Texas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 30, 2002, 6:33 PM CST (00:33 UTC)
Expired: Mar 30, 2002, 7:00 PM CST
In force: 27 min
Issued by: NWS Houston/Galveston, TX
Area: Counties, with a storm outline in the text

County Polk County, TX

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 30, 5:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.6 hours before the alert went out and 192 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: 2027 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHGX 310033
TORHOU
TXC373-310100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
633 PM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  POLK COUNTY IN SOUTHEAST TEXAS

* UNTIL 700 PM CST

* AT 630 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 13 MILES SOUTHWEST OF CORRIGAN...MOVING
  NORTHEAST AT 55 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  CORRIGAN
  MOSCOW
  CARMONA

LARGE HAIL IS LIKELY WITH THIS STORM.

MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR
OR MOBILE HOME FOR A STRONG SHELTER NOW

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3089 9511 3081 9502 3105 9469 3113 9483

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 6:04 PM CST	Tornado Warning	HGX	Matagorda, Wharton	41 min
Mar 30, 6:22 PM CST	Severe Thunderstorm Warning	HGX	Polk, Trinity	38 min
Mar 30, 6:31 PM CST	Severe Thunderstorm Warning	HGX	Harris	59 min
Mar 30, 6:48 PM CST	Tornado Warning	HGX	Brazoria, Fort Bend, Matagorda	57 min
Mar 30, 7:01 PM CST	Tornado Warning	HGX	Polk, Trinity	29 min
Mar 30, 7:23 PM CST	Severe Thunderstorm Warning	HGX	Harris, Liberty	37 min
Mar 30, 7:39 PM CST	Severe Thunderstorm Warning	HGX	Polk, San Jacinto	36 min
Mar 30, 7:47 PM CST	Tornado Warning	HGX	Chambers, Galveston, Harris	43 min
Mar 30, 7:54 PM CST	Special Marine Warning	HGX		66 min
Mar 30, 8:01 PM CST	Tornado Warning	HGX	Liberty	29 min
Mar 30, 8:32 PM CST	Severe Thunderstorm Warning	HGX	Chambers, Liberty	43 min
Mar 30, 9:08 PM CST	Special Marine Warning	HGX		67 min
Mar 30, 10:17 PM CST	Special Marine Warning	HGX		58 min
Mar 31, 3:02 AM CST	Severe Thunderstorm Warning	HGX	Trinity	13 min

Nearby

Tornado Warnings in Texas, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.