Alert archive / Pennsylvania / Flash Flood Warnings in 2002

Flash Flood Warning 8, NWS State College, PA

March 19, 20025 counties in Pennsylvania

NWS State College, PA issued this flash flood warning at Mar 19, 2002, 10:30 AM EST for 5 counties in Pennsylvania. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 19, 2002, 10:30 AM EST (15:30 UTC)
Expired
Mar 19, 2002, 10:45 AM EST
In force
15 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Cameron County, PA, Clearfield County, PA, Elk County, PA, McKean County, PA, Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.5 hours before the alert went out and 159 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2002-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2002-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939587897117136156175194214Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KCTP 191530
FFWCTP
PAC023-033-047-083-123-191545-

FLASH FLOOD WARNING  THIS IS ONLY A TEST 
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1030 AM EST TUE MAR 19 2002

           *** THIS MESSAGE IS FOR TEST PURPOSES ONLY ***
     * NO SEVERE WEATHER IS OCCURRING IN THE MENTIONED AREA *

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* DRILL FLASH FLOOD WARNING FOR...
  WARREN COUNTY.
  MCKEAN COUNTY.
  ELK COUNTY.
  CAMERON COUNTY.
  CLEARFIELD COUNTY.

* UNTIL 1045 AM EST.

* AT 1028 AM...A DRILL FLASH FLOOD WAS REPORTED WEST OF WARREN...
  RIDGWAY AND CLEARFIELD.  THIS IS ONLY A DRILL.

* THE DRILL FLASH FLOODING WILL AFFECT...
  WARREN AT 1035 AM.
  BRADFORD AND EMPORIUM AT 1040 AM.
  CLEARFIELD AND RIDGWAY AT 1045 AM.

IF THIS WERE AN ACTUAL WARNING...WE WOULD PROVIDE DETAILS OF DAMAGE
AND SUGGEST SAFE LOCATIONS AS SHELTER.

AGAIN...THIS IS A DRILL FLASH FLOOD WARNING AS PART OF PENNSYLVANIA
WEATHER AWARENESS WEEK AND IS ONLY A TEST.  NO FLOODING IS OCCURRING
AT THIS TIME.

$$

ONDREJIK

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 10:40 AM ESTFlash Flood WarningCTPCambria, Somerset15 min

Nearby

Flash Flood Warnings in Pennsylvania, 2002Every flash flood warning in 2002

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.