Alert archive / Pennsylvania / Flash Flood Warnings in 2003
Flash Flood Warning 40, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 9, 2003, 5:21 PM EDT for Crawford County, Pennsylvania. It was in force for 3 hr. 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 9, 2003, 5:21 PM EDT (21:21 UTC)
- Expired
- Aug 9, 2003, 8:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The radar
The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 21:23 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, 9.4 hours before the alert went out and 142 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.
- Mixed-layer CAPE
- 366 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCLE 092128 FFWCLE PAC039-100015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 521 PM EDT SAT AUG 9 2003 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * FLASH FLOOD WARNING FOR... CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA... * UNTIL 815 PM EDT * AT 520 PM EDT WEATHER SERVICE RADAR INDICATED THAT SLOW MOVING THUNDERSTORMS CONTINUED TO DUMP HEAVY RAIN ACROSS EASTERN CRAWFORD. OVER 2 INCHES OF RAIN HAS FALLEN IN LESS THAN 90 MINUTES. TOTAL RAINFALL COULD REACH 3 TO 4 INCHES AND PRODUCE FLASH FLOODING FROM LINCOLNVILLE TO TROY CENTER. * SOME LOCATIONS AFFECTED INCLUDE... LITTLE COPLEY BLOOMING VALLEY EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT LET YOUR CHILDREN PLAY NEAR DRAINAGE DITCHES, STORM SEWERS OR STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. $$
1 follow-up statement
000 WGUS71 KCLE 100031 FFSCLE PAC039-100115- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 818 PM EDT SAT AUG 9 2003 ...FLASH FLOOD WARNING FOR CRAWFORD COUNTY PENNSYLVANIA HAS EXPIRED... HEAVY RAIN HAS ENDED ACROSS CRAWFORD COUNTY. LIGHT RAIN OVER THE COUNTY SHOULD END BY 930 PM. NUMEROUS ROADS WERE FLOODED EAST OF MEADVILLE AND SOME MOTORISTS WERE STRANDED. IT WILL TAKE SOME TIME FOR FLOOD WATERS TO RECEDE AND MOTORISTS SHOULD BE AWARE OF WATER COVERED ROADWAYS AND PERHAPS ROADS THAT WERE COMPLETELY WASHED OUT. OVER THREE INCHES OF RAIN WERE REPORTED JUST NORTHEAST OF MEADVILLE. $$ LAPLANTE
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 6:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 51 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2003Every flash flood warning in 2003
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.