Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 99, NWS Charleston, WV

April 25, 2011Morgan County, Perry County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Apr 25, 2011, 4:26 PM EDT for Morgan County, Perry County, Ohio. It was in force for 20 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 25, 2011, 4:26 PM EDT (20:26 UTC)
Expired: Apr 25, 2011, 4:46 PM EDT
In force: 20 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Morgan County, OH, Perry County, OH

The radar

The Cincinnati radar (KILN), 152 km from the middle of the area, began a volume at 20:28 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

Time	Report	Where	Remark
Apr 25, 4:27 PM EDT	TSTM WND DMG	2 S New Lexington, OH	TREE AND LARGE BRANCHES DOWN ALONG AIRPORT RD.
Apr 25, 4:33 PM EDT	TSTM WND DMG	New Lexington, OH	THE NEW LEXINGTON CARE AND REHIBILITATION CENTER 920 SOUTH MAIN STREET HAD A 10 FOOT DIAMETER CIRCULAR PIECE OF ITS ROOF BLOWN OFF. THEIR SIGN ALSO BLEW INTO THE HOUSE NEXT DOOR.
Apr 25, 4:33 PM EDT	HAIL 0.75	New Lexington, OH	EVENT OCCURRED BETWEEN 418 PM 04/25/2011 AND 433 PM 04/25/2011

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.4 hours before the alert went out and 150 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: 104 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 209 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

903 
WUUS51 KRLX 252026
SVRRLX
OHC115-127-252100-
/O.NEW.KRLX.SV.W.0099.110425T2026Z-110425T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
426 PM EDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MORGAN COUNTY IN SOUTHEAST OHIO...
  SOUTHERN PERRY COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...SHAWNEE...PERRY STATE FOREST...NEW
  LEXINGTON...

* UNTIL 500 PM EDT

* AT 420 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  SHAWNEE...AND MOVING NORTHEAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CROOKSVILLE AND EAGLEPORT..


PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3982 8208 3981 8207 3978 8207 3976 8177
      3956 8225 3971 8237 3983 8214
TIME...MOT...LOC 2026Z 239DEG 47KT 3969 8220

$$

10

2 follow-up statements

756 
WWUS51 KRLX 252036
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
436 PM EDT MON APR 25 2011

OHC115-127-252100-
/O.CON.KRLX.SV.W.0099.000000T0000Z-110425T2100Z/
MORGAN OH-PERRY OH-
436 PM EDT MON APR 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR EAST CENTRAL PERRY AND NORTHWESTERN MORGAN COUNTIES...

AT 434 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 35 MILES SOUTH OF EAGLEPORT...OR NEAR COOLVILLE...MOVING
NORTHEAST AT 55 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3964 8211 3973 8224 3983 8214 3982 8208
      3981 8207 3978 8207 3976 8177
TIME...MOT...LOC 2036Z 239DEG 47KT 3926 8171

$$

10

888 
WWUS51 KRLX 252046
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
446 PM EDT MON APR 25 2011

OHC115-127-252055-
/O.CAN.KRLX.SV.W.0099.000000T0000Z-110425T2100Z/
MORGAN OH-PERRY OH-
446 PM EDT MON APR 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PERRY AND
NORTHWESTERN MORGAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED 
OUT OF THE AREA...THUS THE WARNING HAS BEEN CANCELLED.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3964 8211 3973 8224 3983 8214 3982 8208
      3981 8207 3978 8207 3976 8177
TIME...MOT...LOC 2045Z 239DEG 47KT 3933 8158

$$

10

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 4:10 PM EDT	Special Weather Statement	RLX	Perry	35 min
Apr 25, 5:15 PM EDT	Special Weather Statement	RLX	Athens	30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

Sources

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