Alert archive / Ohio / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Cleveland, OH

May 1, 2007Ashland County, Lorain County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 1, 2007, 5:19 PM EDT for Ashland County, Lorain County, Ohio. It was in force for 56 min. 4 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
May 1, 2007, 5:19 PM EDT (21:19 UTC)
Expired
May 1, 2007, 6:15 PM EDT
In force
56 min
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

Counties Ashland County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 47 km from the middle of the area, began a volume at 21:19 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

TimeReportWhereRemark
May 1, 5:35 PM EDTHAIL 0.75Rochester, OH
May 1, 5:47 PM EDTHAIL 0.751 W Polk, OH
May 1, 5:50 PM EDTHAIL 1.25Polk, OH
May 1, 6:01 PM EDTHAIL 0.75Polk, OH

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

The watch it was issued in

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

IssuedProductOfficeLasted
May 1, 2:01 PM EDTSevere Thunderstorm WatchSPC6 hr
May 1, 4:22 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.3 hours before the alert went out and 193 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 2007-05-01Temperature 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 2007-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1863 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
249 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.

000 
WUUS51 KCLE 012119
SVRCLE
OHC005-093-012215-
/O.NEW.KCLE.SV.W.0021.070501T2119Z-070501T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
519 PM EDT TUE MAY 1 2007

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  LORAIN COUNTY IN NORTH CENTRAL OHIO

* UNTIL 615 PM EDT

* AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES NORTHWEST OF SAVANNAH...OR ABOUT 13 MILES SOUTHEAST OF
  NORWALK...AND MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WELLINGTON AND POLK

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
TUESDAY EVENING FOR NORTHEASTERN OHIO.

LAT...LON 4096 8241 4105 8242 4106 8233 4120 8233
      4122 8205 4122 8205 4119 8207 4114 8207
      4114 8217 4099 8218 4099 8213 4090 8215

$$

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 3:11 PM EDTSevere Thunderstorm WarningCLELucas, Wood64 min
May 1, 3:40 PM EDTSevere Thunderstorm WarningCLESandusky80 min
May 1, 3:48 PM EDTTornado WarningCLESandusky, Wood42 min
May 1, 4:07 PM EDTSevere Thunderstorm WarningCLESeneca53 min
May 1, 4:08 PM EDTSevere Thunderstorm WarningCLEOttawa67 min
May 1, 4:30 PM EDTSevere Thunderstorm WarningCLEHuron, Sandusky75 min
May 1, 4:35 PM EDTSevere Thunderstorm WarningCLEErie25 min
May 1, 4:43 PM EDTSpecial Marine WarningCLE92 min
May 1, 4:54 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull36 min
May 1, 4:55 PM EDTSevere Thunderstorm WarningCLESeneca50 min
May 1, 5:00 PM EDTSevere Thunderstorm WarningCLELucas60 min
May 1, 5:02 PM EDTSevere Thunderstorm WarningCLEAshtabula, Lake58 min
May 1, 5:08 PM EDTTornado WarningCLELucas, Wood52 min
May 1, 5:28 PM EDTSevere Thunderstorm WarningCLERichland52 min
May 1, 5:34 PM EDTSevere Thunderstorm WarningCLESandusky71 min
May 1, 5:37 PM EDTTornado WarningCLEAshland53 min
May 1, 5:41 PM EDTSevere Thunderstorm WarningCLEMedina, Wayne64 min
May 1, 5:45 PM EDTSevere Thunderstorm WarningCLEHuron60 min
May 1, 5:56 PM EDTTornado WarningCLELucas, Wood64 min
May 1, 6:08 PM EDTSevere Thunderstorm WarningCLESeneca82 min
May 1, 6:26 PM EDTSevere Thunderstorm WarningCLEAshtabula64 min
May 1, 6:29 PM EDTSevere Thunderstorm WarningCLEAshland46 min
May 1, 6:33 PM EDTSevere Thunderstorm WarningCLEStark57 min
May 1, 6:37 PM EDTSpecial Marine WarningCLE113 min
May 1, 6:41 PM EDTSevere Thunderstorm WarningCLEHuron64 min
May 1, 6:44 PM EDTSevere Thunderstorm WarningCLEWayne61 min
May 1, 6:45 PM EDTSevere Thunderstorm WarningCLEHancock60 min
May 1, 6:50 PM EDTFlash Flood WarningCLEWayne4 hr
May 1, 6:51 PM EDTSevere Thunderstorm WarningCLECuyahoga54 min
May 1, 6:54 PM EDTSevere Thunderstorm WarningCLESummit66 min
May 1, 6:56 PM EDTSevere Thunderstorm WarningCLELake64 min
May 1, 7:00 PM EDTSevere Thunderstorm WarningCLERichland30 min
May 1, 7:03 PM EDTFlash Flood WarningCLEAshland4 hr
May 1, 7:07 PM EDTSevere Thunderstorm WarningCLEGeauga53 min
May 1, 7:10 PM EDTSevere Thunderstorm WarningCLEPortage65 min
May 1, 7:15 PM EDTSevere Thunderstorm WarningCLEAshland60 min
May 1, 7:17 PM EDTSevere Thunderstorm WarningCLECrawford, Wyandot48 min
May 1, 7:26 PM EDTSevere Thunderstorm WarningCLEAshtabula64 min
May 1, 7:34 PM EDTSevere Thunderstorm WarningCLETrumbull56 min
May 1, 7:47 PM EDTFlash Flood WarningCLEStark6 hr
May 1, 7:50 PM EDTSevere Thunderstorm WarningCLEMahoning30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.