Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 2, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Apr 6, 1994, 11:18 PM EDT for Clinton County, Pennsylvania. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Apr 6, 1994, 11:18 PM EDT (03:18 UTC)
- Expired
- Apr 7, 1994, 12:00 AM EDT
- In force
- 42 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Clinton County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.3 hours before the alert went out and 208 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIPT 070318 RRA SVRIPT PAC035-081-113-070400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILLIAMSPORT PA 1118 PM EDT WED APR 6 1994 THE NATIONAL WEATHER SERVICE IN WILLIAMSPORT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL PENNSYLVANIA ...CLINTON COUNTY...LYCOMING COUNTY...SULLIVAN COUNTY THUNDERSTORMS ALONG WITH RAIN...HEAVY AT TIMES...WERE OCCURRING OVER WILLIAMSPORT AIRPORT AT 1110 PM. NATIONAL WEATHER SERVICE RADAR SHOWED WIDELY SCATTERED THUNDERSTORMS WERE EMBEDDED IN AN AREA OF RAIN AND RAINSHOWERS EXTENDING ACROSS NORTHCENTRAL PENNSYLVANIA. THESE THUNDERSTORMS WILL MOVE ACROSS CLINTON...LYCOMING...AND SULLIVAN COUNTIES THROUGH 12 MIDNIGHT. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN $AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. CRUZ
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 6, 7:27 PM EDT, 3 hours 51 minutes before
PAZ012-037-038-041-042-045-046-062300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 720 PM EST SUN APR 03 1994 ...FOG HAS MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA...WITH POSSIBLE WET SNOW DEVELOPING IN THE HIGHER ELEVATIONS... NOT MUCH RAIN HAS FALLEN OVER CENTRAL AND NORTHCENTRAL PENNSYLVANIA IN THE LAST 24 HOURS ALTHOUGH THE THREAT OF FLOODING IS STILL POSSIBLE. ANOTHER ELEMENT HAS NOW BEEN THROWN INTO THE MIXTURE IN THE FORM OF FOG WHICH HAS NOW MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA. THE COMBINATION OF RAIN AND FOG WILL MAKE FOR HAZARDOUS TRAVEL ON THE ROADS THIS EVENING...ESPECIALLY IN THE HIGHER ELEVATIONS WHERE WET SNOW MAY MIX WIT~H THE RAIN OVERNIGHT. IF YOU PLAN ON TRAVELING THIS EVENING OR OVERNIGHT...BE ESPECIALLY CAUTIOUS AND GIVE YOURSELF PLENTY OF TIME TO REACH YOUR DESTINATION. CRUZ
Special weather statement, Apr 6, 7:32 PM EDT, 3 hours 46 minutes before
PAZ012-037-038-041-042-045-046-062300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 720 PM EST WED APR 06 1994 ...FOG HAS MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA...WITH POSSIBLE WET SNOW DEVELOPING IN THE HIGHER ELEVATIONS... NOT MUCH RAIN HAS FALLEN OVER CENTRAL AND NORTHCENTRAL PENNSYLVANIA IN THE LAST 24 HOURS ALTHOUGH THE THREAT OF FLOODING IS STILL POSSIBLE. ANOTHER ELEMENT HAS NOW BEEN THROWN INTO THE MIXTURE IN THE FORM OF FOG WHICH HAS NOW MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA. THE COMBINATION OF RAIN AND FOG WILL MAKE FOR HAZARDOUS TRAVEL ON THE ROADS THIS EVENING...ESPECIALLY IN THE HIGHER ELEVATIONS WHERE WET SNOW MAY MIX WITH THE RAIN OVERNIGHT. IF YOU PLAN ON TRAVELING THIS EVENING OR OVERNIGHT...BE ESPECIALLY CAUTIOUS AND GIVE YOURSELF PLENTY OF TIME TO REACH YOUR DESTINATION. CRUZ
Special weather statement, Apr 6, 10:50 PM EDT, 28 minutes before
PAZ012-037-038-041-042-045-046-070240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 1040 PM EST WED APR 06 1994 ...FLOOD WATCH REMAINS IN EFFECT OVERNIGHT... ...FOG AND RAIN HAVE MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA...WITH POSSIBLE WET SNOW DEVELOPING IN THE HIGHER ELEVATIONS OR THUNDERSTORMS... RAIN AND FOG HAVE MOVED INTO CENTRAL AND NORTHCENTRAL PENNSYLVANIA AND WILL REMAIN IN THE AREA OVERNIGHT. WET SNOW MAY MIX IN WITH THE RAIN IN THE HIGHER ELEVATIONS AND POSSIBLE THUNDERSTORMS MAY ALSO DEVELOP. SLEET HAS ALREADY BEEN REPORTED IN THE NORTHERN PORTIONS OF THE STATE AND THUNDERSTORMS WERE REPORTED OVER THE SOUTHWESTERN PORTIONS OF THE STATE. THE COMBINATION OF RAIN AND FOG WILL MAKE FOR HAZARDOUS TRAVEL ON THE ROADS THIS EVENING...ESPECIALLY IN THE HIGHER ELEVATIONS...WHERE SLEET MAY TURN THE ROADS ICY. IF YOU PLAN ON TRAVELING OVERNIGHT...BE ESPECIALLY CAUTIOUS AND GIVE YOURSELF PLENTY OF TIME TO REACH YOUR DESTINATION. THE FLOOD WATCH OVER NORTHCENTRAL PENNSYLVANIA REAMAINS IN EFFECT. IF ROADS BECOME FLOODED OVERNIGHT...DO NOT ATTEMPT TO DRIVE THROUGH STREETS THAT ARE FLOODED. CRUZ
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 11:18 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 42 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning in 1994
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.