Hail, Merrimack
- When
- June 22, 1:07 PM EST to 1:10 PM EST
- Where
- Merrimack County, Concord
- Measured
- 0.75 in hail
- Reported by
- Public
- Coordinates
- 43.200, -71.550
A severe thunderstorm produced .75 inch hail in Concord.
A severe thunderstorm dropped large hail over the Concord area of New Hampshire.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GYX wrote it up.
A severe thunderstorm dropped large hail over the Concord area of New Hampshire.
The local office's own words before the first event, 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 the first event at Jun 22, 9:25 AM EST, 3 hours 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 1025 AM EDT FRI JUN 22 2007 .SYNOPSIS... LOW PRESSURE SPINNING OVER THE MARITIMES WILL PRODUCE A CYCLONIC FLOW OVER NORTHERN NEW ENGLAND TODAY...WITH MORE SCATTERED SHOWERS AND THUNDERSTORMS INTO TONIGHT. COOL AIR FOR LATE JUNE WILL PREVAIL THIS WEEKEND WITH A CHANCE OF SHOWERS SUNDAY. A WARM FRONT WILL PASS NORTH ON TUESDAY...WITH THE POTENTIAL FOR HOT WEATHER GOING INTO MIDWEEK. COOLER AIR WILL FOLLOW TO END THE WEEK. && .NEAR TERM /UNTIL 8 PM THIS EVENING/... THE NEARLY STACKED LOW OVER NEW BRUNSWICK AND EASTERN MAINE WILL MAINTAIN A CYCLONIC FLOW OVER THE FORECAST FOR THE NEAR FUTURE. THE FORECAST PROBLEMS FOR THE BALANCE OF THE DAY ARE CLOUDS AND CONVECTION. OVERALL...THE ATMOSPHERE IN PLACE IS RELATIVELY COLD AND MOIST. MORNING SOUNDINGS SHOWS UNSTABLE CONDITIONS IN PLACE ALREADY... WITH LOW FREEZING LEVELS AND WET BULB ZERO VALUES. WIDELY SCATTERED SHOWERS HAVE ALREADY DEVELOPED...WITH LARGE BREAKS IN THE CLOUDS ACROSS MUCH OF WESTERN MAINE THIS MORNING. GIVEN THAT THE CONVECTIVE TEMPERATURES ARE WELL WITHIN REACH AND TEMPERATURES REMAIN COLD IN THE MID LEVELS...THE SUNSHINE THIS MORNING SHOULD BE SELF-DESTRUCTIVE...AND ALL AREAS SHOULD SEE SKIES BECOME MOSTLY CLOUDY. MORNING SOUNDINGS SUGGEST HIGHS IN THE 60S...AND MAINTAINED A MENTION OF 70 DEGREES IN AREAS THAT ARE RECEIVING SUNSHINE THIS MORNING. WOULD EXPECT CONVECTION TO DEVELOP LATER THIS MORNING INTO THIS AFTERNOON. GIVEN THE WET BULB ZERO VALUES...SMALL HAIL SEEMS LIKELY WITH ANY CELL THAT GETS A ST0RM TOP HIGHER THAN 20000 FEET. MODIFYING THE MORNING SOUNDINGS PRODUCES NEARLY MODERATE INSTABILITY... AND GIVEN LOW DEW POINTS...AN INVERTED V PROFILE IS EXPECTED. THIS COULD RESULT IN A WIND GUST POTENTIAL...BUT AT THIS TIME WINDS ARE EXPECTED TO REMAIN BELOW 58 MPH IN GUSTS. THE ACTIVITY SHOULD PEAK IN THE MID TO LATE AFTERNOON...THEN WANE THIS EVENING. IN SHORT...SMALL HAIL AND WIND GUSTS TO 45 MPH CAN BE EXPECTED WITH ANY THUNDERSTORM THAT DEVELOPS TODAY. SHOULD STORM TOPS EXCEED 35000 FEET...LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE...BUT THIS CHANCE IS NOT HIGH ENOUGH TO MENTION YET. && .SHORT TERM /8 PM THIS EVENING THROUGH 6 AM SATURDAY/... CYCLONIC FLOW ALOFT WILL REMAIN IN PLACE TONIGHT. AS DIURNAL COOLING OCCURS...EXPECT MOST OF THE CONVECTION TO DIE OFF. BOTH THE GFS AND THE NAM ARE IN PRETTY GOOD AGREEMENT WITH THIS. THE ONLY EXCEPTION WILL BE OVER THE MOUNTAINS OF NORTHERN NEW HAMPSHIRE AND WESTERN MAINE WHERE SOME INSTABILITY WILL REMAIN. MID LEVELS START TO DRY OUT A BIT...SO SHOULD SEE THE CLOUD COVER DIMINISH A BIT. RADIATIONAL COOLING COULD PRODUCE SOME PATCHY FOG...BUT WILL LEAVE THAT OUT OF THE FORECAST FOR THIS CYCLE. && .LONG TERM /SATURDAY THROUGH THURSDAY/... SATURDAY WILL FEATURE GUSTY WINDS AS UPPER LEVEL VORTEX EXITS E INTO THE CANADIAN MARITIMES. WINDS WILL ALIGN FROM THE WEST...AND WHEN COMBINED WITH DEEP MIXING LEVELS...WIND GUSTS WILL REACH 20 KT AT TIMES...ESPECIALLY UNTIL MIDDAY. WNW FLOW TO CONTINUE...WITH A LEAST ONE MORE PULSE OF ENERGY REINFORCING OUR UNSTABLE ATMOSPHERE ON SUNDAY. THEREAFTER...THERE IS STILL SOME QUESTION AS TO HOW MUCH WARM AIR WILL WIN OUT ATTEMPTING TO ENTER MAINE/NEW HAMPSHIRE BY TUESDAY. 00Z OPERATIONAL GFS RUN WOULD SUGGEST A RETURN TO SUMMER WARMTH BY TUESDAY...WITH OTHER MEDIUM RANGE MODELS COMING INTO LINE. && .AVIATION /14Z FRIDAY THROUGH TUESDAY/... VFR CONDITIONS ARE EXPECTED FOR THE MOST PART...WITH CEILINGS REMAINING ABOVE 3000 FEET. THE EXCEPTION WILL BE IN THE VICINITY OF THUNDERSTORMS...WHERE MVFR TO IFR CONDITIONS ARE POSSIBLE. FOR NOW...DUE TO UNCERTAINTY...RETAINED THE VCSH AND VCTS REMARKS UNTIL THE THREAT BECOMES BETTER ESTABLISHED. BASICALLY VFR CONDITIONS WITH LOCAL MVFR CONDITIONS AND ISOLATED SHOWERS IN THE MOUNTAINS SATURDAY AFTERNOON. SIMILAR CONDITIONS SUNDAY INTO EARLY MONDAY...FOLLOWED BY A SLACKENING AND BACKING OF THE WINDS TO THE SOUTHWEST NEXT WEEK. && .MARINE... IN THE NEAR TERM...WINDS ARE JUST BELOW SMALL CRAFT LEVELS IN THE WESTERLY FLOW. THE 12Z GYX SOUNDING SHOWS A FAIRLY NEUTRAL LAYER THROUGH 800 MB...WITH 25 KNOTS AVAILABLE IN THE LAYER. WHILE MIXING SHOULD BE FAIRLY EFFICIENT DUE COLD TEMPERATURES IN THE MID LEVELS... WILL HOLD OFF ON THE SMALL CRAFT ADVISORY FOR TODAY. SINCE 25 KNOTS IS ABOUT ALL THAT SHOULD BE AVAILABLE (THE BEST WINDS SHOULD DROP SOUTH OF THE WATERS THIS MORNING AND EARLY AFTERNOON)...THE GUSTS SHOULD NOT BE FREQUENT ENOUGH FOR A SMALL CRAFT ISSUANCE. WINDS WILL PICK UP ONCE AGAIN SATURDAY WITH THE PASSAGE AND EXITING OF THE UPPER TROUGH THROUGH THE CANADIAN MARITIMES. WINDS ALIGN WITH DEEP MIXING LEVELS OVER LAND. LESSOR MIXING WITH THE RELATIVELY COOL WATERS OF THE ATLANTIC...BUT STILL ENOUGH FOR 20 KT+ WIND GUSTS. && .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. && NEAR TERM...HAYES SHORT TERM...HAYES AVIATION...HAYES MARINE...HAYES
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAY ME 920 AM EDT FRI JUN 22 2007 MEZ007>009-012>014-018>028-NHZ001>010-013-014-231330- 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- 920 AM EDT FRI JUN 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW HAMPSHIRE...NORTHERN NEW HAMPSHIRE AND SOUTHEASTERN NEW HAMPSHIRE. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS MAY PRODUCE SMALL HAIL AND GUSTY WINDS THIS AFTERNOON AND THIS EVENING. THERE IS A SMALL CHANCE DAMAGING WINDS AND LARGE HAIL COULD OCCUR WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. REPORTS OF WIND GUSTS AND HAIL WOULD BE GREATLY APPRECIATED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 1255 PM EDT FRI JUN 22 2007 MEZ012-013-020-221800- ANDROSCOGGIN-SOUTHERN FRANKLIN-SOUTHERN OXFORD- 1255 PM EDT FRI JUN 22 2007 ...STRONG THUNDERSTORMS WILL IMPACT ANDROSCOGGIN COUNTY...OXFORD COUNTY AND FRANKLIN COUNTY THROUGH 200 PM EDT... AT 1255 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES WEST OF JAY...MOVING SOUTHEAST AT 20 MPH. THIS STRONG THUNDERSTORM WILL AFFECT PERU...JAY... SUMNER...LIVERMORE FALLS...CANTON...HARTFORD...LIVERMORE... BUCKFIELD...TURNER AND LEEDS THROUGH 200 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 45 MPH CAN BE EXPECTED. HAYES
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 115 PM EDT FRI JUN 22 2007 MEZ012-019-NHZ002>006-221815- INTERIOR CUMBERLAND-NORTHERN CARROLL-NORTHERN GRAFTON-SOUTHERN CARROLL-SOUTHERN COOS-SOUTHERN GRAFTON-SOUTHERN OXFORD- 115 PM EDT FRI JUN 22 2007 ...STRONG THUNDERSTORMS WILL IMPACT OXFORD COUNTY...CUMBERLAND COUNTY...GRAFTON COUNTY...CARROLL COUNTY AND COOS COUNTY THROUGH 215 PM EDT... AT 115 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 6 MILES EAST OF WEST PARIS TO LISBON...MOVING SOUTHEAST AT 20 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT SUGAR HILL... LISBON...FRANCONIA...BETHLEHEM...WEST PARIS...GREENWOOD...PINKHAM NOTCH...WOODSVILLE AND BATH THROUGH 215 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 45 MPH CAN BE EXPECTED. HAYES
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 119 PM EDT FRI JUN 22 2007 NHZ005-008>010-013-221815- BELKNAP-INTERIOR ROCKINGHAM-MERRIMACK-SOUTHERN GRAFTON-STRAFFORD- 119 PM EDT FRI JUN 22 2007 ...STRONG THUNDERSTORMS WILL IMPACT BELKNAP COUNTY...STRAFFORD COUNTY...MERRIMACK COUNTY...ROCKINGHAM COUNTY AND GRAFTON COUNTY THROUGH 215 PM EDT... AT 119 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED 4 MILES EAST OF NEW HAMPTON...MOVING SOUTHEAST AT 20 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND NEW HAMPTON... MEREDITH...BRISTOL...HILL...SANBORNTON...LACONIA...GILFORD... FRANKLIN...AND TILTON-NORTHFIELD THROUGH 215 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 45 MPH CAN BE EXPECTED. HAYES
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 145 PM EDT FRI JUN 22 2007 MEZ021-025-026-221830- KENNEBEC-LINCOLN-SAGADAHOC- 145 PM EDT FRI JUN 22 2007 ...STRONG THUNDERSTORMS WILL IMPACT KENNEBEC COUNTY...SAGADAHOC COUNTY AND LINCOLN COUNTY THROUGH 230 PM EDT... AT 145 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 6 MILES WEST OF HALLOWELL...MOVING SOUTHEAST AT 20 MPH. THIS STRONG THUNDERSTORM WILL AFFECT HALLOWELL...RANDOLPH...GARDINER...FARMINGDALE...PITTSTON...DRESDEN AND RICHMOND THROUGH 230 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...FREQUENT CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 50 MPH CAN BE EXPECTED. HAYES
<!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><!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>The Portland,ME radar (KGYX), 130 km away, was scanning. The volume nearest the first event began at 18:07 UTC.
2 hail. Local standard time, as filed.
A severe thunderstorm produced .75 inch hail in Concord.
A severe thunderstorm produced .88 inch hail in Concord.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New Hampshire in 2007Every state in 2007This day in weather historyWarnings in New Hampshire, June 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 45897, 45898.