Alert archive / Pennsylvania / Flash Flood Warnings in 2003
Flash Flood Warning 40, NWS State College, PA
NWS State College, PA issued this flash flood warning at Sep 23, 2003, 3:59 AM EDT for Dauphin 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
- Sep 23, 2003, 3:59 AM EDT (07:59 UTC)
- Expired
- Sep 23, 2003, 7:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Dauphin County, PA
The radar
The State College radar (KCCX), 118 km from the middle of the area, began a volume at 07:58 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.0 hours before the alert went out and 171 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
- 7 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 281 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCTP 230802 FFWCTP PAC043-231100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 359 AM EDT TUE SEP 23 2003 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * FLASH FLOOD WARNING FOR... DAUPHIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA * UNTIL 700 AM EDT. * AT 358 AM EDT...LAW ENFORCEMENT INDICATED FLOODING ALREADY OCCURRING. HEAVY RAIN HAS BEEN...AND WILL CONTINUE TO FALL ACROSS DAUPHIN COUNTY THROUGH 5 AM. FLOODING HAS ALREADY BEEN REPORTED IN PORTIONS OF THE COUNTY...AND WILL LIKELY CONTINUE...PARTICULARLY IN LOW LYING...POOR DRAINAGE AREAS AND ROADWAYS...AND AREAS ADJACENT TO SMALL STREAMS AND CREEKS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER GROUND. SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT ROADS AND FLOODING NEARBY LOW AREAS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. NEVER ATTEMPT TO CROSS HIGH WATER IN A VEHICLE OR ON FOOT $$ LAT...LON 4049 7663 4025 7665 4029 7690 4056 7684 & KL
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 2:35 AM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Sep 23, 2:38 AM EDT | Flash Flood Warning | CTP | Snyder | 3 hr |
| Sep 23, 3:20 AM EDT | Flash Flood Warning | CTP | York | 4 hr |
| Sep 23, 4:05 AM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Sep 23, 5:20 AM EDT | Flash Flood Warning | CTP | Adams, Dauphin, Lancaster, York | 4 hr |
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.