Alert archive / Ohio / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 25, NWS Pittsburgh, PA

April 26, 2007Carroll County, Columbiana County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Apr 26, 2007, 3:33 PM EDT for Carroll County, Columbiana County, Ohio. It was in force for 42 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
Apr 26, 2007, 3:33 PM EDT (19:33 UTC)
Expired
Apr 26, 2007, 4:15 PM EDT
In force
42 min
Issued by
NWS Pittsburgh, PA
Area
Counties, with a storm outline in the text

Counties Carroll County, OH, Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 62 km from the middle of the area, began a volume at 19:35 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 12:00Z, 7.6 hours before the alert went out and 76 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 2007-04-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2007-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
685 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Apr 26, 2:17 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Apr 26, 2:17 PM EDT, 1 hour 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
217 PM EDT THU APR 26 2007

.SHORT TERM /TONIGHT AND FRIDAY/...
WARM SOUTHERLY WINDS AHEAD OF A COLD FRONT MOVING ACROSS THE OHIO
VALLEY WILL BRING SHOWERS AND THUNDERSTORMS TO THE DISTRICT TONIGHT
ALONG WITH ABOVE NORMAL TEMPERATURES. SOME ISOLATED THUNDERSTORMS
IN OHIO COULD BECOME SEVERE. THE COLD FRONT WILL PUSH THROUGH THE
FORECAST AREA DURING THE MORNING HOURS OF FRIDAY. AS THE FRONT
MOVES SLOWLY EAST A RISK OF SHOWERS WILL CONTINUE INTO FRIDAY
EVENING.

&&

.LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
WEAK NORTHWEST FLOW OFF THE LAKES FRIDAY NIGHT INTO SATURDAY MORNING
WILL KEEP A CHANCE OF RAIN SHOWERS ACROSS THE FORECAST AREA
ALONG WITH MOSTLY CLOUDY SKIES. A RIDGE OF HIGH PRESSURE BUILDING
INTO THE DISTRICT SATURDAY NIGHT WILL BRING DRY WEATHER FOR
SATURDAY NIGHT AND SUNDAY. AS HIGH PRESSURE MOVES SLOWLY ACROSS THE
DISTRICT DRY WEATHER ALONG WITH SLOWLY WARMING TEMPERATURES CAN
BE EXPECTED FOR MONDAY INTO TUESDAY NIGHT. AN EAST-WEST COLD FRONT
SAGGING SOUTH ACROSS LAKE ERIE WEDNESDAY WILL BRING CLOUDY SKIES
AND A RISK OF SHOWERS AND THUNDERSTORMS INTO WEDNESDAY NIGHT.
HIGH PRESSURE BUILDING INTO THE DISTRICT WILL BRING DRY WEATHER
FOR THURSDAY.

&&

.AVIATION /18Z THURSDAY THROUGH TUESDAY/...
THUNDERSTORMS WILL CONTINUE TO DEVELOP IN AN INCREASINGLY UNSTABLE
AIRMASS THIS EVENING AND CONTINUE TONIGHT. A SURFACE BOUNDARY WILL
CROSS THE REGION FROM WEST TO EAST BETWEEN 09Z AND 15Z. MOST
PRECIPITATION WILL BE AHEAD OF THIS BOUNDARY. EXPECTING MAINLY MVFR
CIGS AND VIS...LOWERING TO IFR ALONG AND BEHIND THE FRONT
TONIGHT...THEN BACK TO MVFR ON FRIDAY.

&&

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

&&

06
Hazardous weather outlook, Apr 26, 4:29 AM EDT, 11 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
429 AM EDT THU APR 26 2007

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-270830-
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-
429 AM EDT THU APR 26 2007

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...TODAY AND TONIGHT

LOW PRESSURE WILL DEVELOP TOWARD THE GREAT LAKES TODAY WITH
SHOWER AND THUNDERSTORM CHANCES INCREASING THIS AFTERNOON. THERE
IS A SLIGHT CHANCE THAT THE THUNDERSTORMS MAY REACH SEVERE LEVELS
WITH THE PRIMARY THREATS BEING LARGE HAIL AND DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND THIS EVENING.

15

In the hours before

Special weather statement, Apr 26, 10:35 AM EDT, 4 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1035 AM EDT THU APR 26 2007

OHZ048-261515-
COSHOCTON OH-
1035 AM EDT THU APR 26 2007

...THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTY...COSHOCTON...

AT 1030 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 5 MILES EAST OF WARSAW...OR ABOUT 4
MILES NORTHWEST OF COSHOCTON...MOVING NORTH AT 55 MPH. A BRIEF WIND
GUST TO 40 MPH AND SMALL HAIL WILL BE POSSIBLE.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  BLISSFIELD...LAYLAND...WARSAW AND WEST LAFAYETTE

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, Apr 26, 11:11 AM EDT, 4 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1111 AM EDT THU APR 26 2007

OHZ039-048-261600-
COSHOCTON OH-TUSCARAWAS OH-
1111 AM EDT THU APR 26 2007

...THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...COSHOCTON
AND TUSCARAWAS...

AT 1105 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 2 MILES SOUTHWEST OF
BAKERSVILLE...MOVING NORTH AT 50 MPH. WIND GUSTS OF 45 MPH AND SMALL
HAIL WILL BE POSSIBLE WITH THESE STORMS.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  BAKERSVILLE...DOVER...GILMORE...GNADENHUTTEN...MINERAL CITY...NEW
  PHILADELPHIA...STONE CREEK...STRASBURG AND SUGARCREEK

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, Apr 26, 2:09 PM EDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
209 PM EDT THU APR 26 2007

OHZ039-049-058-261900-
GUERNSEY OH-HARRISON OH-TUSCARAWAS OH-
209 PM EDT THU APR 26 2007

...THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING
COUNTIES...GUERNSEY...HARRISON AND TUSCARAWAS...

AT 208 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 4 MILES WEST OF BYESVILLE...MOVING
NORTHEAST AT 30 MPH. WIND GUSTS TO 45 MPH AND SMALL HAIL WILL BE
POSSIBLE WITH THESE STORMS.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  BIRMINGHAM...BOWERSTON...BYESVILLE...CADIZ...CAMBRIDGE...
  CLENDENING...DENNISON...DOVER...FREEPORT...GILMORE...
  GNADENHUTTEN...HOPEDALE...JEWETT...KIMBOLTON...LONDONDERRY...NEW
  PHILADELPHIA...OLD WASHINGTON...PIEDMONT...SALT FORK STATE PARK...
  SCIO...SENECAVILLE...TAPPAN...TIPPECANOE AND UHRICHSVILLE

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.
Local storm report, Apr 26, 3:02 PM EDT, 31 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 2:33 PM EDTSevere Thunderstorm WarningPBZGuernsey42 min
Apr 26, 3:08 PM EDTSevere Thunderstorm WarningPBZHarrison52 min
Apr 26, 3:50 PM EDTSevere Thunderstorm WarningPBZJefferson25 min
Apr 26, 4:16 PM EDTSevere Thunderstorm WarningPBZJefferson29 min
Apr 26, 4:24 PM EDTSevere Thunderstorm WarningPBZColumbiana36 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2007Every severe thunderstorm warning in 2007

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.