Alert archive / West Virginia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 85, NWS Charleston, WV

June 20, 2001Ritchie County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jun 20, 2001, 2:50 PM EDT for Ritchie County, West Virginia. It was in force for 25 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 20, 2001, 2:50 PM EDT (18:50 UTC)
Expired: Jun 20, 2001, 3:15 PM EDT
In force: 25 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Ritchie County, WV

What was reported inside it

Time	Report	Where	Remark
Jun 20, 2:50 PM EDT	Hail 0.88	Cairo, WV

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

Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 160 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: 172 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1382 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 19 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 
WUUS51 KRLX 201850
SVRRLX
WVC085-201915-
/NEW.KRLX.SV.W.0136.201850-201915/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
250 PM EDT WED JUN 20 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RITCHIE COUNTY IN WEST VIRGINIA...

* UNTIL 315 PM EDT...

* AT 240 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM NEAR CAIRO...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...HARRISVILLE AND 
PENNSBORO.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772.

$$

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 Charleston, WV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 2:30 PM EDT, 20 minutes earlier.

Area forecast discussion, Jun 20, 2:30 PM EDT, 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
230 PM EDT WED JUN 20 2001

LINE OF STRONG CONVECTION FIRING OVER WRN CWA IN AREA OF GOOD LOW
LEVEL INSTABILITY AS MSAS SHOWING LIS DOWN TO -8. OTHER WIDELY
SCATTERED SHOWERS FORMING OVER THE SRN MOUNTAINS. WOULD EXPECT
CONVECTION TO HANG AROUND THE CWA INTO THE LATE EVENING...BUT NOT
ENOUGH CONFIDENCE TO LIMIT POP TIME REFERENCE TO EVENING HOURS AS
SOME ACTIVITY COULD REDEVELOP IN THE WRN/NRN CWA LATE ALONG WEAK
BOUNDARY...SO WILL CONTINUE CHC POPS OVERNIGHT. THE CWA WILL BE
BETWEEN SYSTEMS THURS/THURS NIGHT WITH TSTM ACTIVITY BEING
THERMODYNAMICALLY DRIVEN IN WARM HUMID AIRMASS. CHC POPS SHOULD
SUFFICE MOST AREAS. FOR FRIDAY...GOOD H7-H5 OMEGA AND DEEP MOISTURE
ACROSS THE CWA WITH SFC FRONT CROSSING THE REGION BY LATE DAY. WILL
GO WITH LIKELY POPS. USED A BLEND OF NGM/AVN MOS FOR TEMPS.

IN EXTENDED...WILL CONTINUE WITH POPS INTO SATURDAY WITH UP AIR
TROF STILL SWINGING THRU.  ON SAT MAY JUST MENTION THOSE POPS
IN THE MTNS COUNTIES.

WITH LOTS OF PRECIPITABLE WATER-WE WILL HAVE TO WATCH RAINFALL
PATTERN THRU FRI NGT-FOR ANY FAVORED AREAS.

WEAK CUT OFF MAY FORM OVER US ON MON.  WILL LEAVE A CHC POP MONDAY
FOR THE MTN COUNTIES.  WILL LEAVE DRY FOR NOW TUE-WED..FIGURING CUT
OFF STILL WEAKER OR SHIFTING E.

.RLX...
WV...NONE.
VA...NONE.
KY...NONE.
OH...NONE.

.END/

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 2:38 PM EDT	Severe Thunderstorm Warning	RLX	Roane	37 min
Jun 20, 3:08 PM EDT	Severe Thunderstorm Warning	RLX	Calhoun	37 min
Jun 20, 3:32 PM EDT	Severe Thunderstorm Warning	RLX	Gilmer	28 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2001 Every severe thunderstorm warning in 2001

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.