Alert archive / New Hampshire / Mesoscale Discussions

Mesoscale Discussions in New Hampshire, 2021

36 mesoscale discussions in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Mesoscale Discussions
36
Busiest month
June9 mesoscale discussions
Busiest day
June 30, 20213 mesoscale discussions

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 2, 8:04 AM ESTMesoscale DiscussionSPCCoos4 hr
Jan 16, 4:33 AM ESTMesoscale DiscussionSPCCoos, Grafton, Sullivan4 hr
Feb 1, 7:27 PM ESTMesoscale DiscussionSPCCheshire, Hillsborough, Rockingham, Strafford6 hr
Feb 2, 2:18 AM ESTMesoscale DiscussionSPCCarroll6 hr
Feb 16, 2:51 AM ESTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more4 hr
Apr 21, 2:56 PM EDTMesoscale DiscussionSPCHillsborough, Rockingham94 min
May 26, 3:21 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more54 min
May 26, 6:07 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford113 min
Jun 5, 2:33 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Coos, Grafton117 min
Jun 15, 2:38 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more2 hr
Jun 19, 12:38 PM EDTMesoscale DiscussionSPCCarroll, Coos, Grafton97 min
Jun 21, 9:23 PM EDTMesoscale DiscussionSPCCheshire97 min
Jun 28, 4:40 PM EDTMesoscale DiscussionSPCCarroll, Coos, Grafton3 hr
Jun 29, 7:17 PM EDTMesoscale DiscussionSPCCheshire, Hillsborough, Sullivan88 min
Jun 30, 11:04 AM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more116 min
Jun 30, 1:52 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Coos, Grafton, Merrimack, Sullivan83 min
Jun 30, 4:16 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more89 min
Jul 7, 1:50 PM EDTMesoscale DiscussionSPCCheshire115 min
Jul 14, 3:11 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more3 hr
Jul 20, 7:12 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 1 more2 hr
Jul 20, 10:01 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more59 min
Jul 23, 5:47 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Grafton, Hillsborough, Merrimack, Rockingham and 1 more58 min
Jul 27, 4:36 PM EDTMesoscale DiscussionSPCCheshire, Hillsborough, Sullivan84 min
Aug 11, 4:57 PM EDTMesoscale DiscussionSPCBelknap, Cheshire, Grafton, Hillsborough, Merrimack, Sullivan93 min
Aug 12, 3:50 PM EDTMesoscale DiscussionSPCCheshire, Hillsborough, Merrimack, Rockingham, Strafford55 min
Aug 12, 6:44 PM EDTMesoscale DiscussionSPCCheshire, Hillsborough, Merrimack, Rockingham61 min
Sep 6, 1:40 PM EDTMesoscale DiscussionSPCCoos2 hr
Sep 9, 4:12 AM EDTMesoscale DiscussionSPCHillsborough, Rockingham3 hr
Sep 15, 11:59 AM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more2 hr
Sep 15, 4:38 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more67 min
Oct 16, 5:39 PM EDTMesoscale DiscussionSPCHillsborough, Rockingham2 hr
Dec 11, 9:49 PM ESTMesoscale DiscussionSPCCheshire, Hillsborough, Merrimack, Rockingham, Strafford116 min
Dec 18, 2:54 PM ESTMesoscale DiscussionSPCCheshire, Hillsborough5 hr
Dec 22, 4:26 AM ESTMesoscale DiscussionSPCBelknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford4 hr
Dec 25, 5:44 AM ESTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more5 hr
Dec 25, 5:44 PM ESTMesoscale DiscussionSPCCheshire, Hillsborough, Merrimack, Sullivan4 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 30, 20213mesoscale discussions
  2. February 2, 20212mesoscale discussions
  3. May 26, 20212mesoscale discussions
  4. August 12, 20212mesoscale discussions
  5. September 15, 20212mesoscale discussions
  6. December 25, 20212mesoscale discussions
  7. January 2, 20211mesoscale discussions
  8. January 16, 20211mesoscale discussions
  9. February 16, 20211mesoscale discussions
  10. April 21, 20211mesoscale discussions
  11. June 5, 20211mesoscale discussions
  12. June 15, 20211mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.