Alert archive / Alabama / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 462, NWS Birmingham, AL

June 13, 1998Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 13, 1998, 4:20 AM CDT for Marion County, Alabama. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 13, 1998, 4:20 AM CDT (09:20 UTC)
Expired: Jun 13, 1998, 5:25 AM CDT
In force: 65 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Marion County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 13, 5:00 AM CDT	Thunderstorm Wind 50	Whitehouse, AL	Numerous trees were down northeast of Whitehouse.

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

Birmingham, AL (KBMX), launched 00:00Z, 9.3 hours before the alert went out and 148 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: 2639 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 13.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jun 13, 3:49 AM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
349 AM CDT SAT JUN 13 1998

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

0320 AM    FLORENCE                  AL   50 MPH TSTM GUST
06/13/98   LAUDERDALE                     WIND GUST OF 50 MILES AN
                                          HOUR ESTIMATED BY EMA
                                          OFFICIALS.

0330 AM    FLORENCE                  AL   WIND DAMAGE
06/13/98   LAUDERDALE                     LARGE TREE FELL ONTO A
                                          HOUSE..NO INJURIES
                                          REPORTED.

Local storm report, Jun 13, 3:49 AM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM
349 AM CDT SAT JUN 13 1998

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

0320 AM    FLORENCE                  AL   50 MPH TSTM GUST
06/13/98   LAUDERDALE                     WIND GUST OF 50 MILES AN
                                          HOUR ESTIMATED BY EMA
                                          OFFICIALS.

0330 AM    FLORENCE                  AL   WIND DAMAGE
06/13/98   LAUDERDALE                     LARGE TREE FELL ONTO A
                                          HOUSE..NO INJURIES
                                          REPORTED.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 2:43 AM CDT	Severe Thunderstorm Warning	BMX	Lauderdale	62 min
Jun 13, 3:25 AM CDT	Severe Thunderstorm Warning	BMX	Colbert	65 min
Jun 13, 3:34 AM CDT	Severe Thunderstorm Warning	BMX	Franklin	66 min
Jun 13, 3:38 AM CDT	Severe Thunderstorm Warning	BMX	Lawrence	62 min
Jun 13, 4:04 AM CDT	Severe Thunderstorm Warning	BMX	Madison	46 min
Jun 13, 4:24 AM CDT	Severe Thunderstorm Warning	BMX	Winston	66 min
Jun 13, 4:55 AM CDT	Severe Thunderstorm Warning	BMX	Lamar	50 min
Jun 13, 5:30 AM CDT	Severe Thunderstorm Warning	BMX	Walker	65 min
Jun 13, 5:40 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	65 min
Jun 13, 5:41 AM CDT	Severe Thunderstorm Warning	BMX	Fayette	49 min
Jun 13, 6:03 AM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	62 min
Jun 13, 6:36 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby	64 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1998 Every severe thunderstorm warning in 1998

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.