Alert archive / Ohio / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 72, NWS Cleveland, OH

July 4, 1993Mahoning County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 4, 1993, 5:14 PM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1993, 5:14 PM EDT (21:14 UTC)
Expired
Jul 4, 1993, 6:00 PM EDT
In force
46 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Mahoning County, OH, Trumbull County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.2 hours before the alert went out and 101 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 1993-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 517 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 12:00Z on 1993-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
517 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
79 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 
TTAA00 KYNG 042115
SVRYNG
OHC099-155-042200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
514 PM EDT SUN JUL 4 1993
 
THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OHIO
 
   ...MAHONING COUNTY...TRUMBULL COUNTY
 
AT 510 EDT WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM JUST
WEST OF THE MAHONING...TRUMBULL COUNTY BORDER. THIS STORM HAD A
HISTORY OF GUSTY WINDS AND 3/4 INCH HAIL. THIS STORM IS MOVING EAST
AT 15 MPH AND SHOULD REACH THE YOUNGSTOWN...AUSTINTOWN...GIRARD AREA
BY 530 PM.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PREOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
VEENEMAN

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.

In the hours before

Special weather statement, Jul 4, 12:20 PM EDT, 4 hours 54 minutes before
OHZ001-002-011-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1220 PM EDT SUN JUL 4 1993

THE FIRST HEAT WAVE OF THE SUMMER CONTINUED TO BUILD INTO NORTHWEST
OHIO THIS 4TH OF JULY AFTERNOON.

AS OF 1215 PM EDT THE TEMPERATURE AT THE TOLEDO EXPRESS AIRPORT WAS
89 DEGREES...AND CLIMBING. THE DEW POINT HAD BEEN HOLDING STEADY AROUND
75 DEGREES. THAT COMBINATION OF TEMPERATURE AND DEWPOINT YIELDED
RELATIVE HUMIDITY VALUES OF AROUND 65-70 PERCENT. THEREFORE...HEAT
INDEX VALUES WILL EASILY ENCOMPASS THE 100 TO 105 DEGREE RANGE
THIS AFTERNOON ACROSS NORTHWEST OHIO.

TEMPERATURES WILL REACH THE LOWER 90S THIS AFTERNOON...WITH READINGS
IN THE MIDDLE 90S POSSIBLE IN DOWNTOWN TOLEDO DUE TO THE ABILITY OF
CONCRETE AND ASPHALT TO HOLD IN MORE HEAT.

IF YOU HAVE OUTDOOR FESTIVITIES PLANNED...HERE ARE A FEW TIPS TO

HELP STAVE OFF HEAT FATIGUE AND POTENTIALLY DEADLY HEAT
STROKE. DRINK PLENTY OF WATER...WEAR LOOSE FITTING CLOTHES
THAT ARE LIGHT COLORED IN NATURE...AVOID PROLONGED EXPOSURE
IN THE SUN AND AVOID EXCESSIVE CONSUMPTION OF ALCOHOLIC BEVERAGES
WHICH TEND TO DEHYDRATE THE BODY.

HAVE A FUN...BUT SAFE 4TH OF JULY.

BARNES
Special weather statement, Jul 4, 12:20 PM EDT, 4 hours 54 minutes before
OHZ001-002-011-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1220 PM EDT SUN JUL 4 1993

THE FIRST HEAT WAVE OF THE SUMMER CONTINUED TO BUILD INTO NORTHWEST
OHIO THIS 4TH OF JULY AFTERNOON.

AS OF 1215 PM EDT THE TEMPERATURE AT THE TOLEDO EXPRESS AIRPORT WAS
89 DEGREES...AND CLIMBING. THE DEW POINT HAD BEEN HOLDING STEADY AROUND
75 DEGREES. THAT COMBINATION OF TEMPERATURE AND DEWPOINT YIELDED
RELATIVE HUMIDITY VALUES OF AROUND 65-70 PERCENT. THEREFORE...HEAT
INDEX VALUES WILL EASILY ENCOMPASS THE 100 TO 105 DEGREE RANGE
THIS AFTERNOON ACROSS NORTHWEST OHIO.

TEMPERATURES WILL REACH THE LOWER 90S THIS AFTERNOON...WITH READINGS
IN THE MIDDLE 90S POSSIBLE IN DOWNTOWN TOLEDO DUE TO THE ABILITY OF
CONCRETE AND ASPHALT TO HOLD IN MORE HEAT.

IF YOU HAVE OUTDOOR FESTIVITIES PLANNED...HERE ARE A FEW TIPS TO

HELP STAVE OFF HEAT FATIGUE AND POTENTIALLY DEADLY HEAT
STROKE. DRINK PLENTY OF WATER...WEAR LOOSE FITTING CpLOTHES
THAT ARE LIGHT COLORED IN NATURE...AVOID PROLONGED EXPOSURE
IN THE SUN AND AVOID EXCESSIVE CONSUMPTION OF ALCOHOLIC BEVERAGES
WHICH TEND TO DEHYDRATE THE BODY.

HAVE A FUN...BUT SAFE 4TH OF JULY.

BARNES
Special weather statement, Jul 4, 4:50 PM EDT, 24 minutes before
OHZ004-PAZ003-042145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
450 PM EDT SUN JUL 04 1993

...STRONG THUNDERSTORMS WERE MOVING THROUGH EASTERN OHIO LATE THIS
AFTERNOON...

AT 445 PM WEATHER SERVICE RADAR INDICATED A BAND OF THUNDERSTORMS
EXTENDING FROM ASHTABULA COUNTY SOUTHWEST TO JUST SOUTH OF CANTON.
THESE STORMS HAD A HISTORY OF 3/4 INCH HAIL AND WIND DAMAGE...AND
WERE MOVING TO THE EAST AT 15 MPH. CITIES LIKELY TO BE AFFECTED BY
THESE STORMS INCLUDE YOUNGSTOWN...WARREN...NILES...GIRARD...AND
BOARDMAN. THESE STORMS SHOULD ENTER THIS AREA BY 530 PM.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES.

VEENEMAN
Special weather statement, Jul 4, 4:51 PM EDT, 23 minutes before
OHZ004-PAZ003-042145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
450 PM EDT SUN JUL 04 1993

...STRONG THUNDERSTORMS WERE MOVING THROUGH EASTERN OHIO LATE THIS
AFTERNOON...

AT 445 PM WEATHER SERVICE RADAR INDICATED A BAND OF THUNDERSTORMS
EXTENDING FROM ASHTABULA COUNTY SOUTHWEST TO JUST SOUTH OF CANTON.
THESE STORMS HAD A HISTORY OF 3/4 INCH HAIL AND WIND DAMAGE...AND
WERE MOVING TO THE EAST AT 15 MPH. CITIES LIKELY TO BE AFFECTED BY
THESE STORMS INCLUDE YOUNGSTOWN...WARREN...NILES...GIRARD...AND
BOARDMAN. THESE STORMS SHOULD ENTER THIS AREA BY 530 PM.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES.

VEENEMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 3:52 PM EDTSevere Thunderstorm WarningCLECuyahoga38 min
Jul 4, 4:01 PM EDTSevere Thunderstorm WarningCLEPortage, Summit59 min
Jul 4, 4:03 PM EDTSevere Thunderstorm WarningCLEGeauga57 min
Jul 4, 4:15 PM EDTFlash Flood WarningCLECuyahoga, Geauga2 hr
Jul 4, 4:18 PM EDTSevere Thunderstorm WarningCLEStark57 min
Jul 4, 4:52 PM EDTFlash Flood WarningCLEPortage, Stark, Summit68 min
Jul 4, 5:14 PM EDTSevere Thunderstorm WarningCLEHarrison, Tuscarawas61 min
Jul 4, 5:36 PM EDTSevere Thunderstorm WarningCLEBelmont, Guernsey, Monroe, Noble2 hr
Jul 4, 5:49 PM EDTSevere Thunderstorm WarningCLECarroll116 min
Jul 4, 5:49 PM EDTSevere Thunderstorm WarningCLEWayne116 min
Jul 4, 6:18 PM EDTSevere Thunderstorm WarningCLEHarrison57 min
Jul 4, 6:36 PM EDTSevere Thunderstorm WarningCLEJefferson69 min
Jul 4, 6:51 PM EDTFlash Flood WarningCLEBelmont, Carroll, Harrison, Jefferson3 hr
Jul 4, 6:51 PM EDTFlash Flood WarningCLEMonroe3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 1993Every severe thunderstorm warning in 1993

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.