Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 36, NWS Cleveland, OH

May 1, 2017Ashtabula County, Trumbull County, Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at May 1, 2017, 1:45 PM EDT for Ashtabula County, Trumbull County, Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 60 min. 9 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, 2017, 1:45 PM EDT (17:45 UTC)
Expired
May 1, 2017, 2:45 PM EDT
In force
60 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Ashtabula County, OH, Trumbull County, OH, Crawford County, PA, Erie County, PA

The radar

The Pittsburgh radar (KPBZ), 116 km from the middle of the area, began a volume at 17:47 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, 1:52 PM EDTTSTM WND GST 6711 N Youngstown, OHYNG AIRPORT
May 1, 1:53 PM EDTTSTM WND DMG5 Ese Cortland, OHSEVERAL 3 TO 4 INCH DIAMETER BRANCHES DOWN BY THUNDERSTORM WINDS. REFERENCE CITY CHANGED FROM GIRARD TO CORTLAND. TIME WAS ALSO CORRECTED.
May 1, 2:05 PM EDTTSTM WND DMG1 W Conneautville, PATREES DOWN IN SPRINGFIELD AND CONNEAUT TOWNSHIPS.
May 1, 2:22 PM EDTTSTM WND DMG1 Nne Meadville, PALARGE TREE DOWN AT THE INTERSECTION OF CARROLL AVENUE AND MAIN STREET.
May 1, 2:22 PM EDTTSTM WND DMGSaegertown, PA60 FOOT TREE DOWN IN SAEGERTOWN.
May 1, 2:23 PM EDTTSTM WND DMGMeadville, PATELEPHONE POLE SNAPPED IN HALF BALDWIN ST.
May 1, 2:26 PM EDTTSTM WND DMGCambridge Springs, PASEVERAL TREE LIMBS DOWN IN CAMBRIDGE SPRINGS.
May 1, 2:30 PM EDTTSTM WND DMG7 W Edinboro, PATREES DOWN BY THUNDERSTORM WINDS.
May 1, 2:30 PM EDTTSTM WND DMGEdinboro, PATREES DOWN FROM THUNDERSTORM WINDS.

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, 12:32 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 5.8 hours before the alert went out and 131 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 2017-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

688 
WUUS51 KCLE 011745
SVRCLE
OHC007-155-PAC039-049-011845-
/O.NEW.KCLE.SV.W.0036.170501T1745Z-170501T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
145 PM EDT MON MAY 1 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Eastern Trumbull County in northeastern Ohio...
  Ashtabula County in northeastern Ohio...
  Southwestern Erie County in northwestern Pennsylvania...
  Crawford County in northwestern Pennsylvania...

* Until 245 PM EDT

* At 144 PM EDT, a severe thunderstorm was located near Andover, or
  23 miles north of Sharpsville, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Erie, Warren, Meadville, Conneaut, Cortland, Edinboro, Girard,
  Cambridge Springs, Kinsman, Albion, Andover, Linesville, Vienna
  Center, Adamsville, Pymatuning Central, Harmonsburg, Pymatuning
  North, Atlantic, Northwest Harborcreek and Vienna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

&&

A tornado watch remains in effect until 700 PM EDT for northeastern
Ohio...and northwestern Pennsylvania.

LAT...LON 4149 8000 4149 8052 4122 8052 4122 8083
      4182 8082 4222 8001
TIME...MOT...LOC 1744Z 231DEG 37KT 4157 8065 

HAIL...<.75IN
WIND...60MPH
 
$$

Kosarik
2 follow-up statements
377 
WWUS51 KCLE 011759
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
159 PM EDT MON MAY 1 2017

OHC007-155-PAC039-049-011845-
/O.CON.KCLE.SV.W.0036.000000T0000Z-170501T1845Z/
Trumbull OH-Ashtabula OH-Erie PA-Crawford PA-
159 PM EDT MON MAY 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR NORTHEASTERN TRUMBULL...EASTERN ASHTABULA...SOUTHWESTERN ERIE AND
CRAWFORD COUNTIES...

At 158 PM EDT, severe thunderstorms were located along a line
extending from near Conneaut to near Sharon, moving northeast at 40
mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Erie, Meadville, Conneaut, Cortland, Edinboro, Girard, Cambridge
Springs, Kinsman, Albion, Andover, Linesville, Vienna Center,
Adamsville, Pymatuning Central, Harmonsburg, Pymatuning North,
Atlantic, Northwest Harborcreek, Vienna and Lawrence Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM EDT for northeastern
Ohio...and northwestern Pennsylvania.

LAT...LON 4149 8000 4149 8052 4122 8052 4123 8072
      4191 8064 4209 8027 4211 8021 4214 8018
      4222 8001
TIME...MOT...LOC 1758Z 246DEG 36KT 4196 8048 4124 8056 

HAIL...<.75IN
WIND...60MPH
 
$$

LaPlante
094 
WWUS51 KCLE 011829
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
229 PM EDT MON MAY 1 2017

OHC007-155-011838-
/O.CAN.KCLE.SV.W.0036.000000T0000Z-170501T1845Z/
Trumbull OH-Ashtabula OH-
229 PM EDT MON MAY 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TRUMBULL AND
EASTERN ASHTABULA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 700 PM EDT for northwestern
Pennsylvania.

LAT...LON 4222 8001 4149 8000 4149 8033 4205 8029
      4209 8027
TIME...MOT...LOC 1828Z 223DEG 25KT 4215 8017 4143 8025 

$$

PAC039-049-011845-
/O.CON.KCLE.SV.W.0036.000000T0000Z-170501T1845Z/
Erie PA-Crawford PA-
229 PM EDT MON MAY 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTH CENTRAL ERIE AND CENTRAL CRAWFORD COUNTIES...

At 228 PM EDT, severe thunderstorms were located along a line
extending from near Erie to 7 miles southeast of Atlantic, moving
northeast at 30 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Erie, Meadville, Edinboro, Cambridge Springs, Harmonsburg, Northwest
Harborcreek, Lawrence Park, Wesleyville, Cochranton, Saegertown,
Conneaut Lake, McKean, Blooming Valley, Venango, Woodcock,
Middleboro, Conneaut Lakeshore, Geneva and Avonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM EDT for northwestern
Pennsylvania.

LAT...LON 4222 8001 4149 8000 4149 8033 4205 8029
      4209 8027
TIME...MOT...LOC 1828Z 223DEG 25KT 4215 8017 4143 8025 

HAIL...<.75IN
WIND...60MPH
 
$$

LaPlante

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 1:00 AM EDTRiver Flood WarningCLEMarion31 hr
May 1, 8:50 AM EDTSpecial Weather StatementCLECrawford, Marion, Sandusky, Seneca, Wood, Wyandot25 min
May 1, 9:30 AM EDTSpecial Weather StatementCLECrawford, Erie, Huron, Ottawa, Sandusky, Seneca and 1 more30 min
May 1, 9:36 AM EDTSmall Craft AdvisoryCLE18 hr
May 1, 10:15 AM EDTSpecial Weather StatementCLEHuron30 min
May 1, 10:53 AM EDTSpecial Weather StatementCLEAshland, Lorain37 min
May 1, 12:04 PM EDTSpecial Weather StatementCLECuyahoga, Summit26 min
May 1, 12:45 PM EDTSpecial Weather StatementCLEGeauga, Lake, Portage, Stark45 min
May 1, 1:16 PM EDTSpecial Weather StatementCLEAshtabula, Mahoning, Trumbull59 min
May 1, 2:22 PM EDTSevere Thunderstorm WarningCLECrawford, Erie53 min
May 1, 3:09 PM EDTAreal Flood WarningCLEErie3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2017Severe Thunderstorm Warnings in Pennsylvania, 2017Every severe thunderstorm warning in 2017

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.