Alert archive / Arkansas / Randolph County

Weather alerts in Randolph County, Arkansas, 2010

177 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Randolph County and its neighbors

Each county as a circle sized by its count in 2010. Tap one for its archive.

Alerts
177
Warnings
55
Watches
44
Advisories
51
Busiest month
May27 alerts
Busiest day
March 11, 201010 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

2 of 4 tornado warnings covering Randolph County in 2010 had a tornado report inside them.

Randolph County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings4250%0
Severe thunderstorm warnings22673%5100%42 min
Flash flood warnings16850%250%172 min

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Memphis, TN: tornado warnings1092874%5186%18 min
NWS Memphis, TN: severe thunderstorm warnings43618857%37173%22 min
NWS Memphis, TN: flash flood warnings28311858%24793%150 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

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

IssuedProductOfficeLasted
Jan 4, 3:35 PM CSTWind Chill AdvisoryMEG17 hr
Jan 5, 4:03 AM CSTWinter Storm WatchMEG24 hr
Jan 6, 4:12 AM CSTWinter Weather AdvisoryMEG32 hr
Jan 7, 7:33 AM CSTWind Chill AdvisoryMEG44 hr
Jan 17, 10:37 PM CSTDense Fog AdvisoryMEG11 hr
Jan 20, 4:15 AM CSTFlash Flood WatchMEG24 hr
Jan 22, 3:38 PM CSTWind AdvisoryMEG35 hr
Jan 25, 3:58 AM CSTWind AdvisoryMEG12 hr
Jan 26, 3:33 PM CSTWinter Storm WatchMEG53 hr
Jan 28, 3:41 AM CSTWinter Storm WarningMEG50 hr
Jan 28, 10:54 PM CSTMesoscale DiscussionSPC5 hr
Jan 30, 8:07 PM CSTFreezing Fog AdvisoryMEG12 hr
Feb 7, 4:21 AM CSTWinter Storm WatchMEG17 hr
Feb 7, 9:17 PM CSTWinter Storm WarningMEG35 hr
Feb 8, 11:40 AM CSTMesoscale DiscussionSPC6 hr
Feb 15, 9:13 AM CSTWinter Weather AdvisoryMEG9 hr
Mar 10, 6:54 PM CSTMesoscale DiscussionSPC96 min
Mar 10, 7:16 PM CSTSevere Thunderstorm WarningMEG44 min
Mar 10, 7:29 PM CSTSevere Thunderstorm WarningMEG46 min
Mar 10, 7:48 PM CSTTornado WatchSPC6 hr
Mar 10, 7:56 PM CSTSevere Thunderstorm WarningMEG64 min
Mar 10, 7:59 PM CSTSevere Thunderstorm WarningMEG26 min
Mar 10, 8:10 PM CSTTornado WarningMEG50 min
Mar 10, 8:49 PM CSTAreal Flood AdvisoryMEG86 min
Mar 10, 9:08 PM CSTFlash Flood WarningMEG4 hr
Mar 10, 11:08 PM CSTMesoscale DiscussionSPC97 min
Mar 25, 3:43 PM CDTAreal Flood AdvisoryMEG92 min
Mar 27, 4:33 PM CDTSevere Thunderstorm WatchSPC5 hr
Mar 27, 7:47 PM CDTMesoscale DiscussionSPC58 min
Mar 27, 7:58 PM CDTSevere Thunderstorm WarningMEG62 min
Mar 31, 11:28 AM CDTWind AdvisoryMEG7 hr
Apr 2, 10:19 AM CDTWind AdvisoryMEG10 hr
Apr 6, 3:30 AM CDTWind AdvisoryMEG17 hr
Apr 7, 10:30 AM CDTWind AdvisoryMEG8 hr
Apr 7, 1:55 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 8, 3:02 PM CDTFrost AdvisoryMEG17 hr
Apr 22, 3:31 PM CDTFlash Flood WatchMEG48 hr
Apr 23, 4:13 AM CDTWind AdvisoryMEG41 hr
Apr 23, 12:51 PM CDTTornado WatchSPC9 hr
Apr 23, 3:47 PM CDTMesoscale DiscussionSPC58 min
Apr 23, 5:48 PM CDTSevere Thunderstorm WarningMEG42 min
Apr 23, 6:10 PM CDTTornado WarningMEG50 min
Apr 23, 6:20 PM CDTFlash Flood WarningMEG3 hr
Apr 23, 6:28 PM CDTSevere Thunderstorm WarningMEG47 min
Apr 23, 6:31 PM CDTMesoscale DiscussionSPC29 min
Apr 23, 6:51 PM CDTTornado WatchSPC8 hr
Apr 23, 11:40 PM CDTMesoscale DiscussionSPC65 min
Apr 24, 6:00 AM CDTTornado Watch PDSSPC6 hr
Apr 24, 7:40 AM CDTSevere Thunderstorm WarningMEG50 min
Apr 24, 11:08 AM CDTMesoscale DiscussionSPC67 min
Apr 24, 11:31 AM CDTTornado Watch PDSSPC8 hr
Apr 29, 4:15 AM CDTFlash Flood WatchMEG4 days
Apr 29, 9:31 AM CDTWind AdvisoryMEG9 hr
Apr 30, 8:35 AM CDTWind AdvisoryMEG10 hr
Apr 30, 5:53 PM CDTMesoscale DiscussionSPC37 min
Apr 30, 6:24 PM CDTTornado WatchSPC3 hr
Apr 30, 9:09 PM CDTTornado Watch PDSSPC7 hr
Apr 30, 9:46 PM CDTSevere Thunderstorm WarningMEG59 min
Apr 30, 10:03 PM CDTFlash Flood WarningMEG4 hr
Apr 30, 10:05 PM CDTTornado WarningMEG40 min
Apr 30, 10:31 PM CDTTornado WarningMEG44 min
Apr 30, 10:43 PM CDTMesoscale DiscussionSPC62 min
Apr 30, 11:13 PM CDTSevere Thunderstorm WarningMEG47 min
Apr 30, 11:16 PM CDTFlash Flood WarningMEG4 hr
Apr 30, 11:41 PM CDTMesoscale DiscussionSPC64 min
May 1, 8:02 PM CDTSevere Thunderstorm WarningMEG43 min
May 1, 8:06 PM CDTTornado Watch PDSSPC8 hr
May 1, 8:22 PM CDTFlash Flood WarningMEG5 hr
May 1, 8:40 PM CDTSevere Thunderstorm WarningMEG50 min
May 1, 9:28 PM CDTSevere Thunderstorm WarningMEG47 min
May 1, 11:38 PM CDTMesoscale DiscussionSPC67 min
May 2, 9:31 AM CDTRiver Flood AdvisoryLZK25 hr
May 7, 4:00 AM CDTWind AdvisoryMEG12 hr
May 13, 7:13 AM CDTMesoscale DiscussionSPC32 min
May 13, 7:38 AM CDTSevere Thunderstorm WatchSPC2 hr
May 13, 5:41 PM CDTMesoscale DiscussionSPC94 min
May 15, 6:15 PM CDTFlash Flood WatchMEG29 hr
May 17, 2:48 AM CDTDense Fog AdvisoryMEG6 hr
May 18, 3:52 PM CDTFlash Flood WatchMEG51 hr
May 20, 3:46 AM CDTFlash Flood WarningMEG5 hr
May 24, 3:08 PM CDTFlash Flood WarningMEG3 hr
May 25, 7:44 AM CDTFlash Flood WatchMEG7 hr
May 26, 2:32 PM CDTSevere Thunderstorm WarningMEG43 min
Jun 2, 12:56 PM CDTMesoscale DiscussionSPC94 min
Jun 2, 1:36 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 2, 2:25 PM CDTSevere Thunderstorm WarningMEG23 min
Jun 2, 3:30 PM CDTSevere Thunderstorm WarningMEG34 min
Jun 10, 2:52 PM CDTFlash Flood WatchMEG21 hr
Jun 11, 2:56 PM CDTHeat AdvisoryMEG3 days
Jun 18, 3:30 AM CDTHeat AdvisoryMEG7 days
Jun 19, 5:55 PM CDTMesoscale DiscussionSPC95 min
Jun 24, 4:14 PM CDTFlash Flood WarningMEG2 hr
Jun 25, 8:16 PM CDTSevere Thunderstorm WarningMEG44 min
Jun 25, 8:31 PM CDTFlash Flood WarningMEG119 min
Jun 26, 6:56 PM CDTAreal Flood AdvisoryMEG55 min
Jun 26, 9:02 PM CDTFlash Flood WarningMEG118 min
Jun 27, 4:11 AM CDTHeat AdvisoryMEG14 hr
Jul 11, 1:11 PM CDTMesoscale DiscussionSPC94 min
Jul 11, 3:37 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 11, 6:04 PM CDTMesoscale DiscussionSPC56 min
Jul 11, 8:55 PM CDTSevere Thunderstorm WarningMEG34 min
Jul 11, 9:20 PM CDTFlash Flood WarningMEG3 hr
Jul 11, 10:22 PM CDTFlash Flood WarningMEG113 min
Jul 12, 3:52 AM CDTFlash Flood WarningMEG3 hr
Jul 12, 4:21 AM CDTFlash Flood WatchMEG30 hr
Jul 12, 9:25 AM CDTRiver Flood WarningLZK11 hr
Jul 12, 2:48 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 12, 4:57 PM CDTFlash Flood WarningMEG2 hr
Jul 12, 8:42 PM CDTExcessive Heat WatchMEG7 hr
Jul 13, 3:50 AM CDTHeat AdvisoryMEG65 hr
Jul 15, 11:16 AM CDTExcessive Heat WarningMEG9 hr
Jul 15, 4:48 PM CDTMesoscale DiscussionSPC87 min
Jul 16, 7:30 PM CDTHeat AdvisoryMEG19 hr
Jul 17, 3:11 PM CDTHeat AdvisoryMEG28 hr
Jul 18, 1:18 PM CDTSevere Thunderstorm WarningMEG44 min
Jul 19, 1:34 AM CDTMesoscale DiscussionSPC86 min
Jul 20, 3:30 AM CDTHeat AdvisoryMEG8 hr
Jul 20, 3:03 PM CDTHeat AdvisoryMEG29 hr
Jul 21, 3:38 PM CDTHeat AdvisoryMEG3 days
Jul 30, 3:51 AM CDTHeat AdvisoryMEG16 hr
Jul 31, 3:36 AM CDTHeat AdvisoryMEG72 hr
Jul 31, 1:33 PM CDTMesoscale DiscussionSPC27 min
Jul 31, 3:45 PM CDTExcessive Heat WatchMEG24 hr
Aug 1, 4:39 AM CDTExcessive Heat WarningMEG5 days
Aug 1, 3:46 PM CDTExcessive Heat WatchMEG24 hr
Aug 3, 3:24 AM CDTExcessive Heat WatchMEG12 hr
Aug 7, 3:30 PM CDTExcessive Heat WatchMEG36 hr
Aug 8, 3:30 PM CDTExcessive Heat WarningMEG7 days
Aug 9, 2:07 PM CDTExcessive Heat WatchMEG14 hr
Aug 10, 2:26 PM CDTExcessive Heat WatchMEG13 hr
Aug 10, 3:57 PM CDTFlash Flood WarningMEG89 min
Aug 11, 3:57 PM CDTExcessive Heat WatchMEG12 hr
Aug 19, 4:07 PM CDTExcessive Heat WatchMEG24 hr
Aug 19, 4:07 PM CDTHeat AdvisoryMEG42 hr
Aug 20, 4:04 AM CDTExcessive Heat WarningMEG40 hr
Sep 7, 3:49 PM CDTFlash Flood WarningMEG2 hr
Sep 9, 3:45 AM CDTFlash Flood WatchMEG11 hr
Sep 9, 6:26 PM CDTTornado WatchSPC3 hr
Sep 29, 9:45 PM CDTFire Weather WatchMEG6 hr
Sep 29, 9:45 PM CDTFire Weather WatchMEG30 hr
Oct 4, 4:10 AM CDTFrost AdvisoryMEG28 hr
Oct 14, 4:33 AM CDTRed Flag WarningMEG10 hr
Oct 22, 3:33 AM CDTFire Weather WatchMEG25 hr
Oct 22, 3:47 PM CDTRed Flag WarningMEG27 hr
Oct 25, 4:16 PM CDTWind AdvisoryMEG22 hr
Oct 26, 3:38 AM CDTMesoscale DiscussionSPC2 hr
Oct 26, 4:05 AM CDTTornado WatchSPC8 hr
Oct 28, 3:27 AM CDTFrost AdvisoryMEG29 hr
Oct 29, 4:42 AM CDTFrost AdvisoryMEG28 hr
Oct 29, 4:42 AM CDTFreeze WarningMEG28 hr
Nov 4, 3:33 AM CDTFreeze WatchMEG24 hr
Nov 4, 2:34 PM CDTRed Flag WarningMEG4 hr
Nov 5, 3:14 AM CDTFreeze WarningMEG30 hr
Nov 6, 3:50 AM CDTFreeze WarningMEG29 hr
Nov 18, 3:30 PM CSTDense Fog AdvisoryMEG12 hr
Nov 20, 2:23 AM CSTDense Fog AdvisoryMEG7 hr
Nov 20, 9:09 AM CSTDense Fog AdvisoryMEG3 hr
Nov 20, 9:32 PM CSTDense Fog AdvisoryMEG11 hr
Nov 22, 4:12 AM CSTWind AdvisoryMEG12 hr
Nov 22, 7:09 PM CSTMesoscale DiscussionSPC66 min
Nov 22, 8:27 PM CSTTornado WatchSPC6 hr
Nov 22, 11:44 PM CSTMesoscale DiscussionSPC2 hr
Nov 24, 2:08 PM CSTWind AdvisoryMEG32 hr
Nov 24, 3:55 PM CSTWinter Weather AdvisoryMEG35 hr
Nov 28, 2:56 PM CSTWind AdvisoryMEG13 hr
Nov 28, 3:05 PM CSTFlash Flood WatchMEG37 hr
Dec 11, 3:14 PM CSTWind AdvisoryMEG33 hr
Dec 12, 3:59 AM CSTWind Chill AdvisoryMEG30 hr
Dec 14, 2:44 AM CSTWinter Weather AdvisoryMEG45 hr
Dec 25, 12:55 AM CSTWinter Weather AdvisoryMEG3 hr
Dec 30, 1:10 PM CSTWind AdvisoryMEG14 hr
Dec 31, 4:56 AM CSTMesoscale DiscussionSPC2 hr
Dec 31, 5:45 AM CSTMesoscale DiscussionSPC2 hr
Dec 31, 11:42 AM CSTTornado WatchSPC7 hr
Dec 31, 12:16 PM CSTSevere Thunderstorm WarningMEG59 min
Dec 31, 1:09 PM CSTSevere Thunderstorm WarningMEG51 min
Dec 31, 1:39 PM CSTSevere Thunderstorm WarningMEG66 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20092011

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.