Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 116, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 19, 1996, 10:58 AM EDT for Blair 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
- Jul 19, 1996, 10:58 AM EDT (14:58 UTC)
- Expired
- Jul 19, 1996, 2:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Blair County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 3.0 hours before the alert went out and 148 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
- 1573 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 191459 FFWCTP PAC013-191800- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1058 AM EDT FRI JUL 19 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 200 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...BLAIR COUNTY FLOOD WATERS CONTINUE TO CAUSE PROBLEMS IN BLAIR COUNTY. EARLIER HEAVY RAINS CAUSED WIDESPREAD FLOODING. WHILE RAINS HAVE ABATED FOR THE TIME BEING...POOR DRAINAGE PROBLEMS WILL CONTINUE INTO THE AFTERNOON HOURS. MORE SHOWERS AND THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON WHICH WILL ONLY CAUSE FURTHER PROBLEMS FOR AREAS WHERE HEAVY RAIN HAS ALREADY OCCUR D 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. LA CORTE &
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 Jul 19, 9:44 AM EDT, 1 hour 14 minutes earlier.
Area forecast discussion, Jul 19, 9:44 AM EDT, 1 hour 14 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 945 AM EDT FRI JUL 19 1996 ZONE SUGGESTIONS... ...PIT/PHL...COLD FRONT WILL LIKELY TRIGGER ANOTHER ROUND OF CONVECTION. SHOULD BE MORE OF A SEVERE THREAT THAN PAST 24HRS. THINK BEST THREAT WILL BE SE SXNS. ...DISCUSSION... OVERNIGHT HEAVY RAINS ARE A HUMBLING REMINDER OF THE POWER OF THE MCS. ACTIVITY FIRED LATE IN DAY OVER WISCONSIN AND BLEW UP TO AN MCS AS CROSSED LAKES INTO NRN PA. ACTIVITY WINDING DOWN RAPIDLY LEAVING BEHIND A HUMID AIRMASS WAITING FOR THE COLD FRONT TO CRASH INTO IT. COLD FRONT WILL BE PASSING THROUGH DURING MAX HEATING FOR MOST LOCATIONS. SHUD SEE RESPECTABLE AMOUNT OF SUN TODAY AS COMPENSATING SUBSIDENCE BEHIND MCS DRIES US OUT AT LEAST TEMPORARILY. COLD FRONT WILL BE HEADING INTO FAIRLY UNSTABLE VERY HUMID AIRMASS BUT AT LEAST A COUPLE OF FACTORS WILL BE WORKING AGAINST WIDESPREAD SEVERE. BIGGEST PLAYER WILL BE VERY WARM MID LEVEL TEMPS. NEXT FACTOR WILL BE WESTERLY LOW LEVEL WINDS. POSITIVE FACTORS WILL BE DEVELOPING LEFT EXIT REGION OF JET MOVING DOWN OVER REGION ON TOP OF AT LEAST SOME MEASURE OF LOW LEVEL MOISTURE CONVERGENCE. STRONG P-VORT MAX DROPPING SE ACROSS REGION SHOULD AID IN SYNOPTIC SCALE LIFT AHEAD OF FRONT. WUD DRAW LINE FROM ABOUT IPT TO AOO WITH BEST CHC SEVERE SE OF THE LINE. MESO AND SYNOPTIC ETA PAINT LI/SSI'S IN THE SLIGHTLY NEGATIVE RANGE...HOLDING BEST INSTABILITY BACK IN OHIO VALLEY. W`ESTERLY LOW LEVEL JET FCST TO EXCEED 40KT. WINDS ARE WESTERLY IN LOW LEVELS BUT FCST TO NW UP TO 500MB. GOOD SHEAR PROFILES FOR ANYTHING THAT DOES MANAGE TO FIRE. LA CORTE
In the hours before
Special weather statement, Jul 19, 10:14 AM EDT, 44 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>05 3-056>059-063>066-191600- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 1015 AM EDT FRI JUL 19 1996 SEVERE THUNDERSTORM WATCH NUMBER 804 FOR CENTRAL PENNSYLVANIA HAS BEEN CANCELED. THE THREAT OF SEVERE THUNDERSTORMS HAS DIMINISHED FOR THE TIME BEING. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON ACROSS THE~ REGION. SKYWARN SPOTTER NETWORKS MAY NEED TO BE REACTIVATED THIS AFTERNOON. HEAD
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:35 AM EDT | Flash Flood Warning | CTP | Clearfield | 5 hr |
| Jul 19, 4:48 AM EDT | Tornado Warning | CTP | Clearfield | 57 min |
| Jul 19, 5:09 AM EDT | Flash Flood Warning | CTP | Blair, Cambria | 66 min |
| Jul 19, 5:09 AM EDT | Flash Flood Warning | CTP | Centre | 66 min |
| Jul 19, 5:09 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 66 min |
| Jul 19, 5:09 AM EDT | Severe Thunderstorm Warning | CTP | Centre | 66 min |
| Jul 19, 5:26 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 64 min |
| Jul 19, 5:56 AM EDT | Flash Flood Warning | CTP | Blair, Cambria | 3 hr |
| Jul 19, 6:03 AM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Jul 19, 6:26 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 64 min |
| Jul 19, 6:35 AM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 3 hr |
| Jul 19, 7:37 AM EDT | Flash Flood Warning | CTP | Franklin, Fulton | 4 hr |
| Jul 19, 7:37 AM EDT | Flash Flood Warning | CTP | Bedford | 4 hr |
| Jul 19, 9:19 AM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 19, 10:58 AM EDT | Flash Flood Warning | CTP | Clearfield | 7 hr |
| Jul 19, 11:06 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 54 min |
| Jul 19, 11:09 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 51 min |
| Jul 19, 11:15 AM EDT | Tornado Warning | CTP | Clearfield | 30 min |
| Jul 19, 11:27 AM EDT | Tornado Warning | CTP | Blair, Cambria | 48 min |
| Jul 19, 11:55 AM EDT | Tornado Warning | CTP | Blair | 50 min |
| Jul 19, 11:59 AM EDT | Tornado Warning | CTP | Cambria | 61 min |
| Jul 19, 12:08 PM EDT | Tornado Warning | CTP | Huntingdon | 67 min |
| Jul 19, 12:30 PM EDT | Tornado Warning | CTP | Blair | 45 min |
| Jul 19, 12:36 PM EDT | Tornado Warning | CTP | Mifflin | 39 min |
| Jul 19, 12:46 PM EDT | Flash Flood Warning | CTP | Blair, Huntingdon | 3 hr |
| Jul 19, 12:46 PM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Jul 19, 12:53 PM EDT | Tornado Warning | CTP | Bedford | 52 min |
| Jul 19, 12:59 PM EDT | Tornado Warning | CTP | Franklin, Huntingdon | 61 min |
| Jul 19, 1:17 PM EDT | Tornado Warning | CTP | Cumberland | 58 min |
| Jul 19, 1:28 PM EDT | Flash Flood Warning | CTP | Bedford, Fulton | 4 hr |
| Jul 19, 1:28 PM EDT | Flash Flood Warning | CTP | Franklin | 4 hr |
| Jul 19, 1:35 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 55 min |
| Jul 19, 1:42 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 63 min |
| Jul 19, 1:47 PM EDT | Tornado Warning | CTP | Adams | 58 min |
| Jul 19, 1:55 PM EDT | Tornado Warning | CTP | Franklin, Fulton | 65 min |
| Jul 19, 2:31 PM EDT | Tornado Warning | CTP | Adams | 59 min |
| Jul 19, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | York | 54 min |
| Jul 19, 5:31 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 4 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1996Every flash flood warning in 1996
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.