Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 112, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 19, 1996, 6:35 AM EDT for Juniata County, Mifflin 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, 6:35 AM EDT (10:35 UTC)
- Expired
- Jul 19, 1996, 9:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Juniata County, PA, Mifflin County, PA
The radar
The State College radar (KCCX), 57 km from the middle of the area, began a volume at 10:35 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, 10.6 hours before the alert went out and 180 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
- 189 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 638 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 191036 FFWCTP PAC067-087-191330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 635 AM EDT FRI JUL 19 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN PENNSYLVANIA ...JUNIATA COUNTY...MIFFLIN COUNTY AT 630 AM STATE COLLEGE DOPPLER RADAR SHOWED A CLUSTER OF SHOWERS AND THUNDERSTORMS MOVING RAPIDLY SOUTHEAST ACROSS THE REGION. VERY HEAVY RAIN HAS BEEN REPORTED WITH THIS AREA AND IS EXPECTED TO CONTINUE ANOTHER 1 TO 2 HOURS. FLOODING OF POOR DRAINAGE AREAS AND SMALL STREAMS CAN BE EXPECTED. 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, 1:43 AM EDT, 4 hours 52 minutes earlier.
Area forecast discussion, Jul 19, 1:43 AM EDT, 4 hours 52 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 138 AM EDT FRI JUL 19 1996 CLUSTER OF STORMS OVER LAKE ERIE...THINK WORSE WILL BE ACROSS EXT. N PA INTO NY...AS THIS IS WHERE BEST HEIGHT FALLS ARE. JUST LIKE LAST SUMMER WITH ABNORMAL DEWPTS. ONCE THIS GOES BY...STRONG NVA WORKS IN. E NY...NE PA...AND NEW ENGLAND COULD GET HIT HARD WITH FROPA...AS FRONT WOULD COME IN AT MAX HEATING. IN REGARD TO FIRST VORT MAX...IT COULD STILL BE A PROBLEM FURTHER EAST...AROUND NOONTIME...BUT AIRMASS IS NOT AS UNSTABLE OUT THERE...SO ADV/HEATING WILL HAVE TO DO ITS THING THIS AM. ANYWAY A VERY DANGEROUS SIT...DONT RECALL SUCH A FCST OF A DEEPENING LOW IN MID SUMMER. 8 AFTER THIS EVENING...LOOKS LIKE JUST CLEAR...COOL...AND WINDY. PHI/PIT CAN KEEP FLOOD WATCH UP/MODIFY AREA IF YOU WANT...AS IT IS ALREADY UP. SOMEONE MIGHT GET A HEAVY STORM ONE WAY OR ANOTHER. MARTIN
In the hours before
Special weather statement, Jul 19, 1:00 AM EDT, 5 hours 35 minutes before
PAZ004>006-010-011-191000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 1257 AM EDT FRI JUL 19 1996 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHWESTERN PENNSYLVANIA UNTIL 600 AM EDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 600 AM EDT FOR WARREN... MCKEAN... CAMERON... POTTER AND ELK COUNTIES IN NORTHWESTERN PENNSYLVANIA. A LARGE AREA OF THUNDERSTORMS ACROSS THE SOUTHERN GREAT LAKES REGION WILL QUICKLY MOVE SOUTHEAST ACROSS PORTIONS OF NORTHERN PENNSYLVANIA OVERNIGHT. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED IN THESE COUNTIES WHERE THE POTENTIAL EXISTS FOR DAMAGING WINDS AND LARGE HAIL. REMEMBER THAT A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR DAMAGING STORMS IN AND CLOSE TO THE WATCH AREA. REMAIN ALERT AND HAVE SAFE SHELTER CLOSE BY IF A WARNING IS ISSUED OR THREATENING WEATHER IS SIGHTED. MICHAUD
Special weather statement, Jul 19, 4:48 AM EDT, 1 hour 47 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-191450- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 449 AM EDT FRI JUL 19 1996 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF CENTRAL PENNSYLVANIA UNTIL 10 AM... THE WATCH IS IN EFFECT FOR CENTRE...CLINTON...SOMERSET BEDFORD...CAMBRIA...FRANKLIN...HUNTINGDON...JUNIATA MIFFLIN...BLAIR...CAMERON...CL8EARFIELD...AND FULTON COUNTIES. THE WATCH MEANS THAT SEVERE WEATHER IS POSSIBLE IN AND CLOSE TO THE WATCH AREA. LARGE HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING IS POSSIBLE WITH SOME STORMS. MARTIN
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, 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 | Blair | 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; radar from the NEXRAD Level II archive.