Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS Pittsburgh, PA

March 23, 20114 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Mar 23, 2011, 4:17 PM EDT for 4 counties in Ohio. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 23, 2011, 4:17 PM EDT (20:17 UTC)
Expired
Mar 23, 2011, 5:02 PM EDT
In force
45 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon

Counties Carroll County, OH, Harrison County, OH, Jefferson County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 71 km from the middle of the area, began a volume at 20:20 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 23, 1:13 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.3 hours before the alert went out and 80 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, Pittsburgh, PA at 12:00Z on 2011-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2011-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 546 square meters per square second.1939587897117Sfc1 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
742 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
546 m²/s²
0-3 km storm-relative helicity
612 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

348 
WUUS51 KPBZ 232017
SVRPBZ
OHC019-067-081-157-232115-
/O.NEW.KPBZ.SV.W.0013.110323T2017Z-110323T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
417 PM EDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HARRISON COUNTY IN EAST CENTRAL OHIO...
  NORTHWESTERN JEFFERSON COUNTY IN EAST CENTRAL OHIO...
  SOUTHERN TUSCARAWAS COUNTY IN EAST CENTRAL OHIO...
  SOUTHERN CARROLL COUNTY IN EAST CENTRAL OHIO...

* UNTIL 515 PM EDT

* AT 416 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
  GNADENHUTTEN...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  STONE CREEK...        GNADENHUTTEN...       UHRICHSVILLE...
  DENNISON...           TAPPAN...             BOWERSTON...
  LEESVILLE LAKE PARK...                      SCIO...
  JEWETT...             KILGORE...            HOPEDALE...
  UNIONPORT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772...WHEN YOU CAN
DO SO SAFELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN
PENNSYLVANIA AND NORTHERN WEST VIRGINIA.

&&

LAT...LON 4057 8068 4032 8072 4031 8157 4040 8159
TIME...MOT...LOC 2017Z 257DEG 34KT 4042 8144

$$
2 follow-up statements
821 
WWUS51 KPBZ 232100
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
500 PM EDT WED MAR 23 2011

OHC019-157-232110-
/O.CAN.KPBZ.SV.W.0013.000000T0000Z-110323T2115Z/
TUSCARAWAS OH-CARROLL OH-
500 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR CARROLL AND TUSCARAWAS
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN
PENNSYLVANIA AND NORTHERN WEST VIRGINIA.

LAT...LON 4052 8090 4057 8068 4032 8072 4032 8085
TIME...MOT...LOC 2100Z 229DEG 27KT 4045 8080

$$

OHC067-081-232115-
/O.CON.KPBZ.SV.W.0013.000000T0000Z-110323T2115Z/
HARRISON OH-JEFFERSON OH-
500 PM EDT WED MAR 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR JEFFERSON AND HARRISON COUNTIES IN EAST CENTRAL OHIO...

AT 458 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 NEAR FAIRFIELD...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  UNIONPORT...          BERGHOLZ...           RICHMOND...
  HAMMONDSVILLE...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN
PENNSYLVANIA AND NORTHERN WEST VIRGINIA.

LAT...LON 4052 8090 4057 8068 4032 8072 4032 8085
TIME...MOT...LOC 2100Z 229DEG 27KT 4045 8080

$$
736 
WWUS51 KPBZ 232102
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
502 PM EDT WED MAR 23 2011

OHC067-081-232113-
/O.CAN.KPBZ.SV.W.0013.000000T0000Z-110323T2115Z/
HARRISON OH-JEFFERSON OH-
502 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON AND HARRISON
COUNTIES IN EAST CENTRAL OHIO IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING
FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN
PENNSYLVANIA AND NORTHERN WEST VIRGINIA.

LAT...LON 4052 8090 4057 8068 4032 8072 4032 8085
TIME...MOT...LOC 2103Z 229DEG 27KT 4046 8078

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 2:56 PM EDTSpecial Weather StatementPBZCarroll64 min
Mar 23, 3:16 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana, Jefferson59 min
Mar 23, 3:40 PM EDTSevere Thunderstorm WarningPBZCarroll, Coshocton, Tuscarawas65 min
Mar 23, 4:09 PM EDTSevere Thunderstorm WarningPBZColumbiana66 min
Mar 23, 4:20 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana, Jefferson40 min
Mar 23, 4:28 PM EDTSevere Thunderstorm WarningPBZBelmont, Coshocton, Guernsey, Harrison, Jefferson, Muskingum29 min
Mar 23, 4:42 PM EDTSevere Thunderstorm WarningPBZColumbiana, Jefferson63 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.