Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 18, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at May 28, 2015, 3:29 PM EDT for Cheshire County, Hillsborough County, New Hampshire. It was in force for 32 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
- May 28, 2015, 3:29 PM EDT (19:29 UTC)
- Expired
- May 28, 2015, 4:01 PM EDT
- In force
- 32 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
Counties Cheshire County, NH, Hillsborough County, NH
The radar
The Boston radar (KBOX), 127 km from the middle of the area, began a volume at 19:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 28, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.5 hours before the alert went out and 153 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.
- Mixed-layer CAPE
- 153 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 May 28, 3:08 PM EDT, 21 minutes earlier.
Area forecast discussion, May 28, 3:08 PM EDT, 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 308 PM EDT THU MAY 28 2015 .SYNOPSIS... SHOWERS AND THUNDERSTORMS...SOME WITH GUSTY WINDS...TORRENTIAL RAIN...AND HAIL...WILL CROSS THE AREA BY EARLY EVENING BEFORE EXITING THE COAST WITH A COLD FRONT. HIGH PRESSURE RETURNS FRIDAY AND MOVES OFF THE COAST OVER THE WEEKEND ALLOWING A WARM AND HUMID SOUTHWEST FLOW TO RETURN. ANOTHER COLD FRONT CROSSES THE REGION SUNDAY MORNING. COOL...CANADIAN HIGH PRESSURE WILL BUILD BACK OVER THE REGION EARLY NEXT WEEK. && .NEAR TERM /THROUGH TONIGHT/... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM THIS EVENING ALL AREAS. DAMAGING WINDS...LARGE HAIL...AND HEAVY RAIN ARE LIKELY IN STORMS. THE FRONT MOVES OFF THE COAST EARLY THIS EVENING BRINGING AN END TO ANY SHOWERS AND THUNDERSTORMS AS A COOLER AND DRIER AIRMASS MOVES INTO THE REGION. && .SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/... A MOSTLY SUNNY DAY FRIDAY WITH HIGHS MAINLY IN THE 70S...WITH SOME LOWER 80 DEGREE READINGS POSSIBLE. && .LONG TERM /SATURDAY THROUGH THURSDAY/... SOUTHERLY FLOW INCREASES SATURDAY AS HIGH PRESSURE SHIFTS OFFSHORE. LARGE SCALE TROUGHING SWINGS THROUGH CANADA PUSHING A COLD FRONT INTO NORTHERN NEW ENGLAND BY SUNDAY MORNING. THIS WILL BRING TEMPERATURES DOWN FROM THE 70S AND 80S THAT HAVE BEEN HAVING LATELY CLOSER TO THE MID TO UPPER 60S AS COOL CANADIAN CP AIR FILTERS IN. TEMPERATURES BEGIN TO WARM UP AGAIN BY WEDNESDAY AND THURSDAY AS LARGE SCALE RIDGING BUILDS UP AND SW WINDS SET UP. && .AVIATION /19Z THURSDAY THROUGH TUESDAY/... SHORT TERM...LOCAL IFR CONDITIONS IN SHOWERS/STORMS THROUGH 00Z THIS EVENING...THEN VFR TONIGHT THROUGH FRIDAY. SOME PATCHY FOG POSSIBLE LATE TONIGHT. LONG TERM...FRIDAY NIGHT INTO SATURDAY MORNING SHOULD REMAIN VFR WITH CONDITIONS DETERIORATING TO MVFR OR LOWER AS A COLD FRONT MOVES THROUGH. && .MARINE... SHORT TERM...EXPECT MARGINAL SCA CONDS AHEAD OF A COLD FRONT THROUGH MIDNIGHT TONIGHT...THEN WINDS AND SEAS BELOW SCA FOR LATE TONIGHT AND FRIDAY. LONG TERM...SCA CONDITIONS CONTINUE SATURDAY NIGHT INTO SUNDAY AFTERNOON. && .FIRE WEATHER... WIDELY SCATTERED SHOWERS WILL GIVE ISOLATED AREAS HEAVY RAIN THIS EVENING. DRIER WEATHER ARRIVES FOR FRIDAY. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL MIDNIGHT TONIGHT ANZ150- 152-154. && EKSTER/HANES
Hazardous weather outlook, May 28, 12:01 PM EDT, 3 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAY ME 1201 PM EDT THU MAY 28 2015 MEZ007>009-012>014-018>028-NHZ001>015-291615- 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-CHESHIRE NH-EASTERN HILLSBOROUGH NH-INTERIOR ROCKINGHAM- COASTAL ROCKINGHAM-WESTERN AND CENTRAL HILLSBOROUGH NH- 1201 PM EDT THU MAY 28 2015 ...SEVERE THUNDERSTORM WATCH 233 IN EFFECT UNTIL 7 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW HAMPSHIRE...NORTHERN NEW HAMPSHIRE...SOUTHEASTERN NEW HAMPSHIRE AND SOUTHERN 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. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. STRONG THUNDERSTORMS WITH GUSTY WINDS ARE POSSIBLE SATURDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ151-153-291615- PENOBSCOT BAY-CASCO BAY- 1201 PM EDT THU MAY 28 2015 ...SEVERE THUNDERSTORM WATCH 233 IN EFFECT UNTIL 7 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CASCO BAY AND PENOBSCOT BAY. .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. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. STRONG THUNDERSTORMS WITH GUSTY WINDS ARE POSSIBLE SATURDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ150-152-154-291615- STONINGTON ME TO PORT CLYDE ME OUT TO 25 NM- PORT CLYDE ME TO CAPE ELIZABETH ME OUT TO 25 NM- CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT TO 25 NM- 1201 PM EDT THU MAY 28 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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. SHOWERS AND THUNDERSTORMS WILL DEVELOP IN THE NORTH BEFORE HEADING TOWARDS THE COASTLINE LATE IN THE DAY THURSDAY. A FEW STORMS COULD PRODUCE STRONG WINDS...LIGHTNING...AND HEAVY RAINFALL AS THEY CROSS THE WATERS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. STRONG THUNDERSTORMS WITH GUSTY WINDS ARE POSSIBLE SATURDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, May 28, 3:13 PM EDT, 16 minutes before
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</html>Local storm report, May 28, 3:15 PM EDT, 14 minutes before
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</html>The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 11:50 AM EDT | Special Weather Statement | GYX | Oxford | 25 min |
| May 28, 12:09 PM EDT | Special Weather Statement | GYX | Oxford | 36 min |
| May 28, 12:31 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Franklin, Kennebec, Oxford, Somerset | 44 min |
| May 28, 12:43 PM EDT | Special Weather Statement | GYX | Franklin | 32 min |
| May 28, 12:46 PM EDT | Special Weather Statement | GYX | Somerset | 29 min |
| May 28, 1:15 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Kennebec, Somerset, Waldo | 45 min |
| May 28, 1:58 PM EDT | Special Weather Statement | GYX | Cumberland | 32 min |
| May 28, 1:59 PM EDT | Special Weather Statement | GYX | Waldo | 31 min |
| May 28, 2:26 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Cumberland, Kennebec, Sagadahoc | 49 min |
| May 28, 2:53 PM EDT | Special Weather Statement | GYX | Cumberland | 37 min |
| May 28, 2:56 PM EDT | Special Weather Statement | GYX | Franklin | 34 min |
| May 28, 3:15 PM EDT | Special Weather Statement | GYX | Sagadahoc | 30 min |
| May 28, 3:22 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford, Somerset | 38 min |
| May 28, 3:38 PM EDT | Special Weather Statement | GYX | Kennebec | 52 min |
| May 28, 3:40 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Kennebec, Somerset, Waldo | 50 min |
| May 28, 4:02 PM EDT | Special Weather Statement | GYX | Kennebec | 28 min |
| May 28, 4:14 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, York | 46 min |
| May 28, 4:27 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, York | 48 min |
| May 28, 4:32 PM EDT | Special Weather Statement | GYX | Waldo | 28 min |
| May 28, 4:37 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Kennebec, Somerset, Waldo | 53 min |
| May 28, 4:39 PM EDT | Special Marine Warning | GYX | 66 min | |
| May 28, 4:50 PM EDT | Special Weather Statement | GYX | York | 40 min |
| May 28, 5:44 PM EDT | Special Marine Warning | GYX | 61 min | |
| May 28, 5:49 PM EDT | Special Weather Statement | GYX | Waldo | 26 min |
| May 28, 5:52 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Kennebec, Sagadahoc | 23 min |
| May 28, 6:28 PM EDT | Special Weather Statement | GYX | Androscoggin | 47 min |
| May 28, 1:52 PM EDT | Special Weather Statement | GYX | Strafford | 38 min |
| May 28, 2:03 PM EDT | Special Weather Statement | GYX | Coos | 42 min |
| May 28, 2:40 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire | 50 min |
| May 28, 3:18 PM EDT | Special Weather Statement | GYX | Belknap, Merrimack | 42 min |
| May 28, 3:45 PM EDT | Special Weather Statement | GYX | Belknap, Strafford | 45 min |
| May 28, 3:49 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 41 min |
| May 28, 3:55 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 34 min |
| May 28, 4:35 PM EDT | Special Weather Statement | GYX | Rockingham | 40 min |
| May 28, 4:41 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 22 min |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 2015Every severe thunderstorm warning in 2015
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.