Alert archive / Maine / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 39, NWS Gray, ME

June 26, 2009York County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 26, 2009, 3:00 PM EDT for York County, Maine. It was in force for 38 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
Jun 26, 2009, 3:00 PM EDT (19:00 UTC)
Expired
Jun 26, 2009, 3:38 PM EDT
In force
38 min
Issued by
NWS Gray, ME
Area
Storm-based polygon

County York County, ME

The radar

The Portland,ME radar (KGYX), 61 km from the middle of the area, began a volume at 19:02 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

Gray, ME (KGYX), launched 12:00Z, 7.0 hours before the alert went out and 61 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, Gray, ME at 12:00Z on 2009-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 457 joules per kilogram.LCLLFCEL10008507005003002001001 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, Gray, ME at 12:00Z on 2009-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
457 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
505 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

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.

NWS Gray, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 9:15 AM EDT, 5 hours 45 minutes earlier.

Area forecast discussion, Jun 26, 9:15 AM EDT, 5 hours 45 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 26, 12:37 PM EDT, 2 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
1237 PM EDT FRI JUN 26 2009

MEZ007>009-012>014-020>022-028-NHZ001>009-271645-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-ANDROSCOGGIN-KENNEBEC-
INTERIOR WALDO-COASTAL WALDO-NORTHERN COOS-SOUTHERN COOS-
NORTHERN GRAFTON-NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-
SULLIVAN-MERRIMACK-BELKNAP-
1237 PM EDT FRI JUN 26 2009

...SEVERE THUNDERSTORM WATCH 515 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW
HAMPSHIRE AND NORTHERN NEW HAMPSHIRE.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

SEVERE THUNDERSTORMS WITH LARGE HAIL AND AREAS OF TORRENTIAL
DOWNPOURS CAUSING SOME LOCALIZED FLOODING PROBLEMS ALONG WITH
DAMAGING WINDS ARE POSSIBLE THIS AFTERNOON ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS AND THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAIN
SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MEZ018-019-023>027-NHZ010-013-014-271645-
INTERIOR YORK-INTERIOR CUMBERLAND-COASTAL YORK-COASTAL CUMBERLAND-
SAGADAHOC-LINCOLN-KNOX-STRAFFORD-INTERIOR ROCKINGHAM-
COASTAL ROCKINGHAM-
1237 PM EDT FRI JUN 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW
HAMPSHIRE AND SOUTHEASTERN NEW HAMPSHIRE.

.DAY ONE...THIS AFTERNOON AND TONIGHT

STRONG TO POSSIBLY SEVERE THUNDERSTORMS WITH LARGE HAIL AND AREAS
OF TORRENTIAL DOWNPOURS CAUSING SOME LOCALIZED FLOODING PROBLEMS
ALONG WITH DAMAGING WINDS ARE POSSIBLE THIS AFTERNOON ACROSS THE
AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS AND THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAIN
SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ150>154-271645-
STONINGTON ME TO PORT CLYDE ME OUT TO 25 NM-PENOBSCOT BAY-
PORT CLYDE ME TO CAPE ELIZABETH ME OUT TO 25 NM-CASCO BAY-
CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT TO 25 NM-
1237 PM EDT FRI JUN 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CASCO BAY...PENOBSCOT
BAY...THE COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER
MA...THE COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME AND
THE COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME.

.DAY ONE...THIS AFTERNOON AND TONIGHT

STRONG TO POSSIBLY SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING
WINDS ARE POSSIBLE THIS AFTERNOON ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SHOWERS AND THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAIN
SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MARINE

In the hours before

Special weather statement, Jun 26, 10:56 AM EDT, 4 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
1056 AM EDT FRI JUN 26 2009

MEZ012>014-018>028-NHZ003>010-013-014-262100-
SOUTHERN OXFORD-SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-NORTHERN GRAFTON-NORTHERN CARROLL-SOUTHERN GRAFTON-
SOUTHERN CARROLL-SULLIVAN-MERRIMACK-BELKNAP-STRAFFORD-
INTERIOR ROCKINGHAM-COASTAL ROCKINGHAM-
INCLUDING THE CITIES OF...RUMFORD...NORWAY...FRYEBURG...OXFORD...
FARMINGTON...WILTON...MADISON...SKOWHEGAN...PITTSFIELD...
SANFORD...BERWICK...NORTH WINDHAM...GORHAM...BRIDGTON...
LEWISTON-AUBURN...LIVERMORE FALLS...AUGUSTA...WATERVILLE...
WINTERPORT...UNITY...BIDDEFORD...SACO...OLD ORCHARD BEACH...
KITTERY...PORTLAND...SOUTH PORTLAND...WESTBROOK...BATH...
TOPSHAM...BOOTHBAY HARBOR...WISCASSET...WALDOBORO...CAMDEN...
ROCKLAND...THOMASTON...BELFAST...LINCOLNVILLE...LITTLETON...
NORTH CONWAY...LEBANON...HANOVER...PLYMOUTH...WOLFEBORO...
OSSIPEE...CLAREMONT...NEWPORT...CHARLESTOWN...CONCORD...
HOOKSETT...LACONIA...MEREDITH...ROCHESTER...DOVER...SALEM...
DERRY...EXETER...PORTSMOUTH...HAMPTON
1056 AM EDT FRI JUN 26 2009

...STRONG THUNDERSTORMS EXPECTED THIS AFTERNOON...

ALL OUTDOOR INTERESTS SHOULD BE BE PREPARED AND ON THE LOOKOUT FOR
RAPIDLY CHANGING CONDITIONS THIS AFTERNOON AS STRONG THUNDERSTORMS
DEVELOP AND MOVE ACROSS THE AREA.

THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE HAIL...STRONG
DAMAGING WINDS AND TORRENTIAL DOWNPOURS.

RECREATIONAL BOATERS ON THE LAKES SHOULD BE PREPARED TO SEEK SAFE
HARBOR.

ALL INTERESTS SHOULD MONITOR NOAA WEATHER RADIO FOR THE LATEST
INFORMATION...FORECASTS...AND WARNINGS.

MEZ007>009-NHZ001-002-262100-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-NORTHERN COOS-
SOUTHERN COOS-
INCLUDING THE CITIES OF...ANDOVER...ROXBURY...UPTON...
WILSONS MILLS...COBURN GORE...RANGELEY...KINGFIELD...BINGHAM...
JACKMAN...COLEBROOK...BERLIN...LANCASTER
1056 AM EDT FRI JUN 26 2009

...STRONG THUNDERSTORMS EXPECTED THIS AFTERNOON...

ALL OUTDOOR INTERESTS SHOULD BE BE PREPARED AND ON THE LOOKOUT FOR
RAPIDLY CHANGING CONDITIONS THIS AFTERNOON AS STRONG THUNDERSTORMS
DEVELOP AND MOVE ACROSS THE AREA.

THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE HAIL...STRONG
DAMAGING WINDS AND TORRENTIAL DOWNPOURS.

RECREATIONAL BOATERS ON THE LAKES SHOULD BE PREPARED TO SEEK SAFE
HARBOR AND TAKE APPROPRIATE ACTIONS WHEN THREATENING STORMS
APPROACH.

ALL INTERESTS SHOULD MONITOR NOAA WEATHER RADIO FOR THE LATEST
INFORMATION...FORECASTS...AND WARNINGS.

MARINE
Special weather statement, Jun 26, 11:42 AM EDT, 3 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
1142 AM EDT FRI JUN 26 2009

MEZ007-008-NHZ001-261645-
NORTHERN COOS-NORTHERN FRANKLIN-NORTHERN OXFORD-
1142 AM EDT FRI JUN 26 2009

...STRONG THUNDERSTORMS WILL IMPACT OXFORD COUNTY...FRANKLIN COUNTY
AND COOS COUNTY THROUGH 1245 PM EDT...

AT 1142 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 4 MILES NORTH OF LINCOLN PLANTATION...OR
ABOUT 17 MILES WEST OF RANGELEY...MOVING EAST AT 10 MPH. THIS STRONG
THUNDERSTORM WILL AFFECT AREAS IN AND AROUND LINCOLN PLANTATION...
WILSONS MILLS...DAVIS AND OQUOSSOC THROUGH 1245 PM EDT.

HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE
EXPECTED.

MARINE

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 12:34 AM EDTSevere Thunderstorm WarningGYXFranklin, Oxford41 min
Jun 26, 6:22 AM EDTSevere Thunderstorm WarningGYXYork23 min
Jun 26, 6:34 AM EDTSpecial Marine WarningGYX56 min
Jun 26, 7:10 AM EDTSevere Thunderstorm WarningGYXCumberland, York25 min
Jun 26, 12:05 PM EDTSevere Thunderstorm WarningGYXSomerset55 min
Jun 26, 12:12 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford33 min
Jun 26, 12:41 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford49 min
Jun 26, 12:54 PM EDTSevere Thunderstorm WarningGYXSomerset51 min
Jun 26, 1:03 PM EDTSevere Thunderstorm WarningGYXOxford42 min
Jun 26, 1:34 PM EDTSevere Thunderstorm WarningGYXSomerset41 min
Jun 26, 1:41 PM EDTSevere Thunderstorm WarningGYXOxford49 min
Jun 26, 1:54 PM EDTSevere Thunderstorm WarningGYXOxford51 min
Jun 26, 2:14 PM EDTSevere Thunderstorm WarningGYXFranklin, Somerset46 min
Jun 26, 2:18 PM EDTFlash Flood WarningGYXSomerset3 hr
Jun 26, 2:27 PM EDTSevere Thunderstorm WarningGYXOxford48 min
Jun 26, 2:39 PM EDTSevere Thunderstorm WarningGYXYork41 min
Jun 26, 2:40 PM EDTSevere Thunderstorm WarningGYXFranklin50 min
Jun 26, 2:44 PM EDTSevere Thunderstorm WarningGYXOxford46 min
Jun 26, 2:48 PM EDTSevere Thunderstorm WarningGYXOxford42 min
Jun 26, 3:07 PM EDTAreal Flood AdvisoryGYXFranklin3 hr
Jun 26, 3:26 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford, Somerset64 min
Jun 26, 3:27 PM EDTFlash Flood WarningGYXFranklin3 hr
Jun 26, 3:28 PM EDTSevere Thunderstorm WarningGYXOxford47 min
Jun 26, 3:30 PM EDTSevere Thunderstorm WarningGYXOxford45 min
Jun 26, 3:44 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford46 min
Jun 26, 4:06 PM EDTSevere Thunderstorm WarningGYXFranklin, Kennebec, Somerset39 min
Jun 26, 4:44 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Franklin, Kennebec46 min
Jun 26, 4:50 PM EDTSevere Thunderstorm WarningGYXSomerset30 min
Jun 26, 1:21 PM EDTSevere Thunderstorm WarningGYXCarroll, Coos39 min
Jun 26, 1:49 PM EDTSevere Thunderstorm WarningGYXCoos56 min
Jun 26, 1:55 PM EDTSevere Thunderstorm WarningGYXCoos, Grafton40 min
Jun 26, 1:57 PM EDTSevere Thunderstorm WarningGYXCarroll, Coos63 min
Jun 26, 2:09 PM EDTSevere Thunderstorm WarningGYXBelknap, Merrimack, Rockingham, Strafford36 min
Jun 26, 2:27 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Strafford49 min
Jun 26, 4:08 PM EDTSevere Thunderstorm WarningGYXCoos52 min
Jun 26, 4:45 PM EDTSevere Thunderstorm WarningGYXCoos45 min

Nearby

Severe Thunderstorm Warnings in Maine, 2009Every severe thunderstorm warning in 2009

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.