Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 13, NWS Fort Worth, TX

January 22, 1999Robertson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jan 22, 1999, 1:03 AM CST for Robertson County, Texas. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jan 22, 1999, 1:03 AM CST (07:03 UTC)
Expired
Jan 22, 1999, 1:40 AM CST
In force
37 min
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Robertson County, TX

The radar

The Ft Hood radar (KGRK), 86 km from the middle of the area, began a volume at 07:02 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
Jan 22, 1:15 AM CSTHail 0.75Hearne, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.1 hours before the alert went out and 213 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, Fort Worth, TX at 00:00Z on 1999-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Fort Worth, TX at 00:00Z on 1999-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
3099 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWD 220704
SVRFTW
TXC395-220740-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
103 AM CST FRI JAN 22 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ROBERTSON COUNTY IN TEXAS
  THIS INCLUDES THE CITY OF HEARNE

* UNTIL 140 AM CST

* AT 103 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 8 MILES NORTHWEST OF HEARNE. THIS STORM WAS  
  MOVING NORTHEAST AT 35 MPH AND WILL PRODUCE DIME TO QUARTER SIZE
  HAIL AND WIND GUSTS TO 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER FRANKLIN AT 120 AM CST

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGEN,CY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN FORT WORTH.

LAT...LON 3101 9677 3082 9665 3102 9628 3126 9632

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.

In the hours before

Local storm report, Jan 21, 9:12 PM CST, 3 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
912 PM CST THU JAN 21 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0825 PM    CORSICANA                 TX   1.75 INCH HAIL
01/21/99   NAVARRO                        HAIL RPTD BY NAVARRO EMC.

0850 PM    KEMP                      TX   1.75 INCH HAIL
01/21/99   KAUFMAN                        KAUFMAN EMC RPTD HAIL.
Local storm report, Jan 21, 10:13 PM CST, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1013 PM CST THU JAN 21 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0900 PM    MABANK                    TX   1 INCH HAIL
01/21/99   KAUFMAN                        P.D. RPTD HAIL.

0905 PM    MABANK                    TX   1.5 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD 1.5 INCH HAIL 3
                                          NE OF MABANK IN VAN ZANDT
                                          CO.

0910 PM    CANTON                    TX   1.75 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD HAIL IN CANTON.

0915 PM    FRUITVALE                 TX   .75 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD HAIL 1 SW OF
                                          FRUITVALE

0920 PM    GRAND SALINE              TX   .75 INCH HAIL
01/21/99   VAN ZANDT                      HAM RADIO OPERATOR RPTD
                                          HAIL IN TOWN.

0940 PM    MEXIA                     TX   2 INCH HAIL
01/21/99   LIMESTONE                      FIRE DEPT RPTD HAIL AT
                                          LAKE MEXIA.
Local storm report, Jan 21, 10:13 PM CST, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1013 PM CST THU JAN 21 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0900 PM    MABANK                    TX   1 INCH HAIL
01/21/99   KAUFMAN                        P.D. RPTD HAIL.

0905 PM    MABANK                    TX   1.5 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD 1.5 INCH HAIL 3
                                          NE OF MABANK IN VAN ZANDT
                                          CO.

0910 PM    CANTON                    TX   1.75 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD HAIL IN CANTON.

0915 PM    FRUITVALE                 TX   .75 INCH HAIL
01/21/99   VAN ZANDT                      P.D. RPTD HAIL 1 SW OF
                                          FRUITVALE

0920 PM    GRAND SALINE              TX   .75 INCH HAIL
01/21/99   VAN ZANDT                      HAM RADIO OPERATOR RPTD
                                          HAIL IN TOWN.

0940 PM    MEXIA                     TX   2 INCH HAIL
01/21/99   LIMESTONE                      FIRE DEPT RPTD HAIL AT
                                          LAKE MEXIA.
Special weather statement, Jan 21, 11:05 PM CST, 1 hour 58 minutes before
TXZ104-105-107-120>123-134-135-146-147-161-148-162-175-220900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1105 PM CST THU JAN 21 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS CLEARED A PORTION OF
TORNADO WATCH 23. COUNTIES CLEARED INCLUDE:

IN NORTH CENTRAL TEXAS:
COLLIN  HUNT  ROCKWALL  KAUFMAN  ELLIS  NAVARRO  FREESTONE  LIMESTONE

IN NORTHEASTERN TEXAS:
HOPKINS  VAN ZANDT  RAINS  HENDERSON

THIS INCLUDES THE CITIES OF...ATHENS...CANTON...CORSICANA...EMORY...
FAIRFIELD...GREENVILLE...GROESBECK...MCKINNEY...ROCKWALL...
SULPHUR SPRINGS...TERRELL...WAXAHACHIE

TORNADO WATCH 23 REMAINS VALID UNTIL 300 AM CST FRIDAY FOR THE
FOLLOWING COUNTIES:

IN NORTH CENTRAL TEXAS:
LEON

IN NORTHEASTERN TEXAS:
ANDERSON

IN SOUTH CENTRAL TEXAS:
ROBERTSON

THIS INCLUDES THE CITIES OF...CENTERVILLE...FRANKLIN...PALESTINE
Special weather statement, Jan 21, 11:34 PM CST, 1 hour 29 minutes before
TXZ148-162-175-220900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1134 PM CST THU JAN 21 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS CLEARED ALL COUNTIES
IN TORNADO WATCH 23. COUNTIES CLEARED INCLUDE:

IN NORTH CENTRAL TEXAS:
LEON

IN NORTHEASTERN TEXAS:
ANDERSON

IN SOUTH CENTRAL TEXAS:
ROBERTSON

THIS INCLUDES THE CITIES OF...CENTERVILLE...FRANKLIN...PALESTINE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 7:56 PM CSTSevere Thunderstorm WarningFWDHill, Limestone, Navarro49 min
Jan 21, 7:56 PM CSTSevere Thunderstorm WarningFWDMcLennan49 min
Jan 21, 8:43 PM CSTSevere Thunderstorm WarningFWDHenderson, Kaufman, Van Zandt47 min
Jan 21, 9:30 PM CSTSevere Thunderstorm WarningFWDFreestone, Limestone45 min
Jan 21, 9:53 PM CSTTornado WarningFWDLimestone37 min
Jan 21, 10:18 PM CSTSevere Thunderstorm WarningFWDLeon42 min
Jan 22, 12:52 AM CSTSevere Thunderstorm WarningFWDMilam28 min
Jan 22, 1:35 AM CSTSevere Thunderstorm WarningFWDLeon35 min
Jan 22, 2:08 AM CSTSevere Thunderstorm WarningFWDLeon37 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

Sources

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