Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 105, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 15, 1998, 5:24 PM EDT for Bedford 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 15, 1998, 5:24 PM EDT (21:24 UTC)
- Expired
- Aug 15, 1998, 8:25 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Bedford County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.4 hours before the alert went out and 144 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
- 438 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 152124 FFWCTP PAC009-160025- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 524 PM EDT SAT AUG 15 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA * UNTIL 825 PM EDT * AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN NEAR YELLOW CREEK...MOVING SLOWLY SOUTHEAST. * THIS STORM...AND OTHER SLOW MOVING THUNDERSTORMS WILL CONTINUE ACROSS NORTHERN BEDFORD COUNTY THROUGH 7 PM...AND WILL CAUSE FLOODING OF STREAMS AND CREEKS...AND LOW LYING AND POOR DRAINAGE AREAS. DON'T DRIVE INTO AREAS WHE\RE WATER COVERS THE ROAD! JUNG
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before this flash flood warning went out at Aug 15, 2:45 PM EDT, 2 hours 39 minutes earlier.
Area forecast discussion, Aug 15, 2:45 PM EDT, 2 hours 39 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 245 PM EDT SAT AUG 15 1998 ...WRKZFP (ADMCTP) SENT AT 220 PM EDT... ...DISCUSSION... CURRENTLY...ISOL TSTM ACROSS N CWA WHILE WIDELY SCATTERED ACTIVITY HAS DEVELOPED ACROSS THE RIDGES OF S PA THIS AFTN. THIS ACTIVITY SHOULD SLOWLY DIMINISH THIS EVENING BUT...WEAK COLD FRONT CURRENTLY NORTH OF LK ERIE WILL SLIDE INTO NW PA THIS EVE BEFORE DISSIPATING AFTER MIDNIGHT. EXPECT THE FOCUS FOR CONVECTION TO GRADUALLY SHIFT TO THE NORTH LATER TONIGHT WHERE FRONT PROVIDES BEST SFC CONVERGENCE. HAD TO BROAD BRUSH FCST TO INCLUDE CHC POPS FOR ALL PERIODS. COLD FRONT SLIDING INTO N TIER COUNTIES TONIGHT WILL WASH-OUT SUNDAY MORNING. FCST/A HOWEVER...REMAINS IN HUMID SOMEWHAT UNSTABLE AIRMASS SO CONTINUED CHC POPS INTO MONDAY. WENT WITH SLIGHTLY HIGHER POPS ACROSS SE PA DUE TO ITS PROXIMITY WITH FAVORABLE AGEO 3H JET STREAK CORE CIRCULATION. WEAK 5H SHRTWVS TO SLIDE ACROSS FCST/A THRU F48 WITH THE AVN DEPICTING A DECENT SFC WAVE SLIDING ACROSS PA LATE MONDAY AND MONDAY NIGHT. CONTINUED UNSETTLED INTO TUESDAY AS SFC WAVE DEVELOPS ACROSS E PA. .CTP...NONE. WINTHER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:52 PM EDT | Flash Flood Warning | CTP | Elk, McKean | 3 hr |
| Aug 15, 12:54 AM EDT | Flash Flood Warning | CTP | Elk, McKean | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1998Every flash flood warning in 1998
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.