Alert archive / Ohio / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 166, NWS Pittsburgh, PA

August 2, 2008Monroe County, Noble County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 2, 2008, 12:04 AM EDT for Monroe County, Noble County, Ohio. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 2, 2008, 12:04 AM EDT (04:04 UTC)
Expired
Aug 2, 2008, 12:45 AM EDT
In force
41 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon

Counties Monroe County, OH, Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 125 km from the middle of the area, began a volume at 04:07 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 nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.1 hours before the alert went out and 124 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 00:00Z on 2008-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Pittsburgh, PA at 00:00Z on 2008-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
25 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1748 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 7:42 PM EDT, 4 hours 22 minutes earlier.

Area forecast discussion, Aug 1, 7:42 PM EDT, 4 hours 22 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PITTSBURGH PA
742 PM EDT FRI AUG 1 2008

.SYNOPSIS...
A COLD FRONT WILL MOVE THROUGH THE GREAT LAKES BRINGING SCATTERED
SHOWERS AND THUNDERSTORMS TO THE REGION TONIGHT AND SATURDAY.
HIGH PRESSURE WILL BUILD IN SATURDAY NIGHT AND PROVIDE DRY
WEATHER THROUGH MONDAY.

&&

.NEAR TERM /THROUGH SATURDAY/...
STRONG SHORTWAVE TROUGH WILL PUSH SOUTHEASTWARD ACROSS THE GREAT
LAKES TONIGHT AND INTO CENTRAL PA/NY BY MIDDAY SATURDAY.
ATMOSPHERE SHOULD REMAIN QUITE UNSTABLE TONIGHT AS PLENTY OF LOW
LEVEL MOISTURE STAYS IN PLACE THROUGHOUT THE OHIO VALLEY. SURFACE DEW
POINTS ARE IN THE LOWER 60S OVER WESTERN PA INCREASING TO LOWER
70S UPSTREAM OVER PARTS OF INDIANA AND ILLINOIS. NEARLY STATIONARY
SURFACE BOUNDARY STRETCHED ACROSS OH SHOULD HELP TO PROVIDE FOCUS
FOR CONVECTION TONIGHT.

HIGH CHANCE POPS OVERNIGHT EXCEPT FOR ACROSS THE FAR NORTH. LOOKS
LIKE BEST CHANCE WILL BE AROUND 12Z AS FRONT PASSES THROUGH. POPS
TAPERING ALL ZONES BY LATE AFTERNOON.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
SURFACE HIGH PRESSURE WILL BUILD IN FROM THE NORTHWEST SATURDAY
NIGHT AND SHOULD REMAIN OVER THE REGION THROUGH MONDAY. DRIER AIR
WILL ALLOW NIGHTTIME TEMPERATURES TO DROP TO A FEW DEGREES BELOW
NORMAL WITH AFTERNOON READINGS AT OR A LITTLE ABOVE THE NORM.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
EASTERN CONUS TROUGH IS PROJECTED TO BEGIN DEVELOPING IN THE FLOW
PATTERN DURING THE LONG TERM PERIOD. FORECAST WILL THUS BE OF A
MID WEEK COLD FRONT AND WILL FEATURE NEAR CLIMO/CHANCE POPS WITH
INITIALLY WARM TEMPERATURES FALLING TO NEAR NORMAL, THEN BELOW THE
SEASONAL AVERAGES.

&&

.AVIATION /00Z SATURDAY THROUGH WEDNESDAY/...
JUDGING FROM RECENT SREF MODEL RUNS EXPECT ONSET OF SCATTERED
THUNDERSTORMS TONIGHT AS A COLD FRONT MOVES THROUGH THE UPPER OHIO
VALLEY.

CONSIDERING THAT SURFACE LAYER CAN BE MOISTENED BY RAIN
TONIGHT...EXPECT AT LEAST PATCHY FOG AND IFR SATURDAY MORNING.

VARIOUS MODELS INDICATED SURFACE DRYING AND VFR THE REST OF
SATURDAY INTO AT LEAST MONDAY AS HIGH PRESSURE FROM NORTHERN
PLAINS MOVES ACROSS THE OHIO VALLEY. ANOTHER SLOW COLD FRONTAL
PASSAGE WILL SPAWN AT LEAST SCATTERED THUNDERSTORMS AND POTENTIAL
IFR CONDITIONS BY THE MIDDLE OF NEXT WEEK.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&
Hazardous weather outlook, Aug 1, 3:59 PM EDT, 8 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
359 PM EDT FRI AUG 1 2008

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-022000-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-
FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-
ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK-
BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
359 PM EDT FRI AUG 1 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT.
THE PRIMARY SEVERE WEATHER THREAT WILL BE DAMAGING THUNDERSTORM
WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Local storm report, Aug 1, 10:28 PM EDT, 1 hour 36 minutes before
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Local storm report, Aug 1, 10:33 PM EDT, 1 hour 31 minutes before
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Special weather statement, Aug 1, 10:37 PM EDT, 1 hour 27 minutes before
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Special weather statement, Aug 1, 11:16 PM EDT, 48 minutes before
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    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Aug 1, 11:45 PM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1145 PM EDT FRI AUG 1 2008

WVZ021>023-020415-
MARION WV-MONONGALIA WV-PRESTON WV-
1145 PM EDT FRI AUG 1 2008

...THUNDERSTORMS...

THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...
MARION...PRESTON AND MONONGALIA...

AT 1137 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS OVER STAR CITY...MOVING EAST AT 25
MPH. THESE STORMS CAN HAVE WIND GUSTS OVER 40 MPH PLUS HALF INCH
HAIL. THERE CAN ALSO BE A SHORT PERIOD OF HEAVY RAIN AND FREQUENT
LIGHTNING.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  ARNETTSVILLE...BAKER RIDGE...BEECH RUN...BEHLER...RANDALL...BERTHA
  HILL...BOOTH...BRAEWICK WOODS...BRANDONVILLE...BREWER HILL...
  BROOKHAVEN...BRUCETON MILLS...BULL RUN...CANYON AND CASCADE

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
Special weather statement, Aug 1, 11:48 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1148 PM EDT FRI AUG 1 2008

OHZ057-068-069-020415-
MONROE OH-MUSKINGUM OH-NOBLE OH-
1148 PM EDT FRI AUG 1 2008

...THUNDERSTORMS...

THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...
MONROE...NOBLE AND MUSKINGUM...

AT 1142 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 11 MILES SOUTHWEST OF BELLE VALLEY...
OR ABOUT 7 MILES SOUTHEAST OF RURALDALE...MOVING EAST AT 42 MPH.
THESE STORMS CAN HAVE WIND GUSTS OVER 40 MPH PLUS HALF INCH HAIL.
THERE CAN ALSO BE A SHORT PERIOD OF HEAVY RAIN AND FREQUENT
LIGHTNING.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  BELLE VALLEY...CALDWELL...DUDLEY...HARRIETTSVILLE...SARAHSVILLE...
  SUMMERFIELD...WOLF RUN STATE PARK...ASHTON...CARLISLE...CENTER...
  CLIFFYVILLE...COAL HILL...COAL RIDGE...CROOKED TREE AND DEXTER CITY

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:07 AM EDTSevere Thunderstorm WarningPBZFayette38 min
Aug 1, 10:02 PM EDTSevere Thunderstorm WarningPBZBelmont58 min
Aug 2, 5:09 PM EDTSevere Thunderstorm WarningPBZPreston25 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2008Every severe thunderstorm warning in 2008

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.