Alert archive / Ohio / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 5, NWS Charleston, WV

January 21, 1999Morgan County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jan 21, 1999, 10:07 PM EST for Morgan County, Ohio. It was in force for 33 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
Jan 21, 1999, 10:07 PM EST (03:07 UTC)
Expired
Jan 21, 1999, 10:40 PM EST
In force
33 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Morgan County, OH

The radar

The Charleston,WV radar (KRLX), 146 km from the middle of the area, began a volume at 03:08 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 21, 10:35 PM ESTHail 1Bishopville, OH

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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.1 hours before the alert went out and 168 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, Cncnati-Daytn, OH at 00:00Z on 1999-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Cncnati-Daytn, OH at 00:00Z on 1999-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
3 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
455 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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, Jan 21, 5:29 PM EST, 4 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
529 PM EST THU JAN 21 1999

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

0435 PM    CHESAPEAKE                OH   1.25 INCH HAIL
01/21/99   LAWRENCE

0438 PM    LESAGE                    WV   .5 INCH HAIL
01/21/99   CABELL
Local storm report, Jan 21, 5:29 PM EST, 4 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
529 PM EST THU JAN 21 1999

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

0435 PM    CHESAPEAKE                OH   1.25 INCH HAIL
01/21/99   LAWRENCE

0438 PM    LESAGE                    WV   .5 INCH HAIL
01/21/99   CABELL
Special weather statement, Jan 21, 5:45 PM EST, 4 hours 22 minutes before
WVZ007-008-016-018-028>030-039-047-OHZ086-220300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
545 PM EST THU JAN 21 1999

...MINOR FLOODING IN LOW LYING AREAS EXPECTED THIS EVENING...

SHOWERS AND THUNDERSTORMS ARE CONTINUING ACROSS THE REGION THIS
AFTERNOON.  RADAR ESTIMATED THAT AS MUCH AS TWO INCHES OF RAIN FELL
ACROSS PARTS OF THIS AREA.

MINOR FLOODING IN LOW LYING AREAS...INCLUDING SOME ROADS...HAS BEEN
REPORTED.  THIS IS EXPECTED TO CONTINUE DURING THE EVENING. STREAMS
AND CREEKS MAY RISE TO OR REMAIN NEAR BANKFULL.  HOWEVER SIGNIFICANT
FLOODING IS NOT ANTICIPATED THROUGH THE EVENING.

.END/ELW

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 7:16 PM ESTFlash Flood WarningRLXRoane, Wirt5 hr
Jan 21, 7:55 PM ESTFlash Flood WarningRLXCalhoun, Gilmer, Lewis4 hr
Jan 21, 7:55 PM ESTFlash Flood WarningRLXUpshur4 hr
Jan 22, 12:44 AM ESTFlash Flood WarningRLXBarbour, Upshur3 hr
Jan 22, 3:38 AM ESTFlash Flood WarningRLXBarbour, Upshur6 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 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.