Alert archive / Maine / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 46, NWS Gray, ME

July 23, 2014Franklin County, Oxford County, Maine; Coos County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 23, 2014, 12:57 PM EDT for Franklin County, Oxford County, Maine; Coos County, New Hampshire. It was in force for 63 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: Jul 23, 2014, 12:57 PM EDT (16:57 UTC)
Expired: Jul 23, 2014, 2:00 PM EDT
In force: 63 min
Issued by: NWS Gray, ME
Area: Storm-based polygon

Counties Franklin County, ME, Oxford County, ME, Coos County, NH

The radar

The Portland,ME radar (KGYX), 103 km from the middle of the area, began a volume at 16:58 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, 5.0 hours before the alert went out and 103 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: 217 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1273 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 23, 11:02 AM EDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 23, 11:02 AM EDT, 1 hour 55 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, Jul 23, 3:07 AM EDT, 9 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
307 AM EDT WED JUL 23 2014

MEZ007>009-012>014-018>028-NHZ001>010-013-014-240715-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-COASTAL WALDO-
NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-NORTHERN CARROLL-
SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-MERRIMACK-BELKNAP-
STRAFFORD-INTERIOR ROCKINGHAM-COASTAL ROCKINGHAM-
307 AM EDT WED JUL 23 2014

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING WITH
DAMAGING WINDS AND LARGE HAIL. HEAVY RAIN AND FREQUENT LIGHTNING
STRIKES ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED. SPOTTERS ARE ENCOURAGED
TO CALL OR RADIO IN THEIR REPORTS.

ANZ150>154-240715-
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-
307 AM EDT WED JUL 23 2014

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...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND EVENING
WITH DAMAGING WINDS AND LARGE HAIL. HEAVY RAIN AND FREQUENT
LIGHTNING STRIKES ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED. SPOTTERS ARE ENCOURAGED
TO CALL OR RADIO IN THEIR REPORTS.

In the hours before

Special weather statement, Jul 23, 12:41 PM EDT, 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
1241 PM EDT WED JUL 23 2014

NHZ001-231715-
NORTHERN COOS-
1241 PM EDT WED JUL 23 2014

...STRONG THUNDERSTORMS WILL IMPACT COOS COUNTY THROUGH 115 PM EDT...

AT 1241 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED ALONG A LINE EXTENDING FROM 14 MILES
NORTH OF PITTSBURG TO 8 MILES WEST OF PITTSBURG... MOVING EAST AT 35
MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND
PITTSBURG...LAKE FRANCIS STATE PARK AND CLARKSVILLE THROUGH 115 PM
EDT.

HEAVY DOWNPOURS...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH CAN BE EXPECTED.

LAT...LON 4502 7106 4502 7151 4507 7151 4513 7144
      4515 7145 4520 7142 4524 7146 4525 7145
      4525 7139 4528 7136 4531 7128 4526 7123
      4525 7115 4531 7109

KIMBLE

Special weather statement, Jul 23, 12:44 PM EDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
1244 PM EDT WED JUL 23 2014

MEZ012>014-018>028-NHZ006-008>010-013-014-231945-
SOUTHERN OXFORD-SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-SOUTHERN CARROLL-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...WOLFEBORO...
OSSIPEE...CONCORD...HOOKSETT...LACONIA...MEREDITH...ROCHESTER...
DOVER...SALEM...DERRY...EXETER...PORTSMOUTH...HAMPTON
1244 PM EDT WED JUL 23 2014

...HEAT INDICES IN THE MID TO UPPER 90S THIS AFTERNOON...

THE COMBINATION OF TEMPERATURES REACHING THE LOWER 90S AND
DEWPOINT VALUES IN THE LOWER 70S WILL YIELD HEAT INDICES IN THE
MID TO UPPER 90S THIS AFTERNOON. WEAR LOOSE FITTING
CLOTHING...DRINK PLENTY OF WATER...AND STAY OUT OF THE SUN IF
POSSIBLE. THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA LATE
THIS AFTERNOON OR EVENING AND WILL HELP COOL THE AIR MASS. A FEW
OF THE STORMS MAY CONTAIN DAMAGING WINDS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 12:41 PM EDT	Special Weather Statement	GYX		34 min
Jul 23, 3:22 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	53 min
Jul 23, 3:29 PM EDT	Areal Flood Advisory	GYX	Franklin, Oxford	2 hr
Jul 23, 3:53 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford, Somerset	37 min
Jul 23, 4:39 PM EDT	Special Weather Statement	GYX	Oxford	36 min
Jul 23, 4:48 PM EDT	Special Weather Statement	GYX	Kennebec	27 min
Jul 23, 4:58 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Kennebec, Somerset	47 min
Jul 23, 5:42 PM EDT	Special Weather Statement	GYX	Androscoggin	48 min
Jul 23, 5:58 PM EDT	Special Weather Statement	GYX	Kennebec	47 min
Jul 23, 6:17 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford	27 min
Jul 23, 6:23 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	67 min
Jul 23, 7:16 PM EDT	Special Weather Statement	GYX	Cumberland, Sagadahoc	59 min
Jul 23, 7:23 PM EDT	Special Weather Statement	GYX	York	67 min
Jul 23, 2:01 PM EDT	Special Weather Statement	GYX	Coos	29 min
Jul 23, 2:25 PM EDT	Special Weather Statement	GYX	Coos	35 min
Jul 23, 2:51 PM EDT	Severe Thunderstorm Warning	GYX	Coos	39 min
Jul 23, 5:06 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	54 min
Jul 23, 5:16 PM EDT	Areal Flood Advisory	GYX	Coos, Grafton	119 min
Jul 23, 5:59 PM EDT	Special Weather Statement	GYX	Carroll	46 min
Jul 23, 6:07 PM EDT	Special Weather Statement	GYX	Carroll, Grafton, Sullivan	53 min
Jul 23, 6:35 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Merrimack, Sullivan	55 min
Jul 23, 4:14 PM EDT	Special Weather Statement	GYX	Caledonia	31 min

Nearby

Severe Thunderstorm Warnings in Maine, 2014 Severe Thunderstorm Warnings in New Hampshire, 2014 Every severe thunderstorm warning in 2014

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.