Alert archive / Maryland / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 152, NWS Philadelphia/Mount Holly

July 27, 2007Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2007, 8:42 PM EDT for Talbot County, Maryland. It was in force for 36 min. 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 27, 2007, 8:42 PM EDT (00:42 UTC)
Expired: Jul 27, 2007, 9:18 PM EDT
In force: 36 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Talbot County, MD

What was reported inside it

Time	Report	Where	Remark
Jul 27, 8:55 PM EDT	TSTM WND DMG	Cordova, MD	A COUPLE OF LARGE TREE LIMBS AND WIRES DOWN IN AND AROUND CORDOVA.

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.7 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -206 J/kg
Mixed-layer LCL: 1395 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 72 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 
WUUS51 KPHI 280041
SVRPHI
MDC041-280130-
/O.NEW.KPHI.SV.W.0152.070728T0042Z-070728T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
842 PM EDT FRI JUL 27 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...

* UNTIL 930 PM EDT

* AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  EASTON...OR ABOUT 41 MILES SOUTHWEST OF DOVER...AND MOVING
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CORDOVA BY 855 PM EDT...

THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.

LAT...LON 3886 7628 3871 7615 3880 7597 3894 7600

$$

SZATKOWSKI

1 follow-up statement

000 
WWUS51 KPHI 280118
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
917 PM EDT FRI JUL 27 2007

MDC041-280127-
/O.CAN.KPHI.SV.W.0152.000000T0000Z-070728T0130Z/
TALBOT MD-
917 PM EDT FRI JUL 27 2007

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TALBOT COUNTY IS
CANCELLED...

THE THUNDERSTORM HAS WEAKENED OVERALL AND THE STRONGEST PART OF THE 
THUNDERSTORM IS NOW IN QUEEN ANNES COUNTY. 

LAT...LON 3886 7628 3871 7615 3880 7597 3894 7600

$$
 
TFG

Nearby

Severe Thunderstorm Warnings in Maryland, 2007 Every severe thunderstorm warning in 2007

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.