Alert archive / Pennsylvania / Flash Flood Warnings in 2005

Flash Flood Warning 3, NWS State College, PA

July 7, 2005Lebanon County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jul 7, 2005, 12:38 PM EDT for Lebanon County, Pennsylvania. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 7, 2005, 12:38 PM EDT (16:38 UTC)
Expired
Jul 7, 2005, 3:45 PM EDT
In force
3 hr
Issued by
NWS State College, PA
Area
Counties, with a storm outline in the text

County Lebanon County, PA

The radar

The State College radar (KCCX), 149 km from the middle of the area, began a volume at 16:37 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.

What was reported inside it

TimeReportWhereRemark
Jul 7, 12:54 PM EDTFLASH FLOODLebanon, PA3-4 FEET OF WATER IN TOWN. SEVERAL WATER RESCUES AND PEOPLE STRANDED IN AUTOMOBILES IN THE VICINITY OF THE MIDDLE SCHOOL AND CUMBERLAND STREET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 4.6 hours before the alert went out and 104 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, Phillips Aaf/Abe, MD at 12:00Z on 2005-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2005-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 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
383 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCTP 071639
FFWCTP
PAC075-071945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1238 PM EDT THU JUL 7 2005

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LEBANON COUNTY IN SOUTH CENTRAL PENNSYLVANIA

* UNTIL 345 PM EDT

* AT 1231 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
INDICATED   VERY HEAVY RAIN FROM A NEARLY STATIONARY THUNDERSTORM
OVER EASTERN LEBANON COUNTY...JUST EAST OF LEBANON.

RADAR RAINFALL ESTIMATES IS THAT UPWARDS OF 2 TO 2.5 INCHES OF RAIN 
HAS FALLEN...AND ADDITIONAL RAINFALL IS EXPECTED.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DONT DROWN

PLEASE REPORT ANY FLOODING...HAIL...STRONG WINDS OR WIND DAMAGE TO
THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7
7 2.

LAT...LON 4042 7634 4033 7624 4028 7653 4044 7648

$$

FORECASTER: MARTIN
1 follow-up statement
000 
WGUS71 KCTP 071756
FFSCTP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
148 PM EDT THU JUL 7 2005

PAC075-071945-
LEBANON PA-
148 PM EDT THU JUL 7 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 345 PM EDT FOR LEBANON
COUNTY...

AT 145 PM...RADAR INDICATED THAT THE STORMS THAT PRODUCED UPWARDS OF 
3 INCHES OF RAIN EARLIER WERE ACROSS EASTERN LEBANON COUNTY. THE 
STORMS HAVE WEAKEN SOME AND WERE EAST OF NEWMANICTOWN.

WHILE THE WORSE OF THE STORM IS OVER WITH...FLOODING WILL LIKELY 
CONTINUE FOR ANOTHER HOUR OR TWO. EMERGENCY MANAGEMENT OFFICIALS 
REPORTED UPWARDS OF 3 TO 4 FEET OF WATER IN SOME INTERSECTIONS 
EARLIER WITH WATER RESCUES IN PROGRESS.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. TURN 
AROUND...DONT DROWN NEVER TRY TO CROSS A FLOWING STREAM...EVEN A 
SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

PLEASE REPORT ANY FLOODING...HAIL...STRONG WINDS OR WIND DAMAGE TO
THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7
7 2.

LAT...LON 4042 7634 4033 7624 4028 7653 4044 7648

$$

FORECASTER: MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:54 PM EDTFlash Flood WarningCTPSchuylkill3 hr
Jul 7, 3:42 PM EDTFlash Flood WarningCTPLancaster, York4 hr
Jul 7, 6:52 PM EDTFlash Flood WarningCTPAdams4 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.