Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 80, NWS Jacksonville, FL

April 20, 2020Marion County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 20, 2020, 9:22 AM EDT for Marion County, Florida. It was in force for 38 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
Apr 20, 2020, 9:22 AM EDT (13:22 UTC)
Expired
Apr 20, 2020, 10:00 AM EDT
In force
38 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 13:23 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.

IssuedProductOfficeLasted
Apr 20, 2:19 AM EDTTornado WatchSPC9 hr

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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 20, 7:58 AM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 20, 7:58 AM EDT, 1 hour 24 minutes before
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In the hours before

Special weather statement, Apr 20, 6:41 AM EDT, 2 hours 41 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
641 AM EDT Mon Apr 20 2020

FLZ023>025-124-125-GAZ166-364-201130-
Inland Duval FL-Baker FL-Inland Nassau FL-Coastal Nassau FL-
Coastal Duval FL-Western Charlton GA-Coastal Camden GA-
641 AM EDT Mon Apr 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL NASSAU...SOUTHERN
BAKER...NORTHERN DUVAL...SOUTHERN CAMDEN AND SOUTH CENTRAL CHARLTON
COUNTIES UNTIL 730 AM EDT...

* At 641 AM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from near
  Yulee to 7 miles west of Bryceville to Olustee. Movement was east
  at 55 mph.

* Small hail, winds in excess of 45 mph, and minor flooding due to
  heavy rainfall is possible with these storms.

* Locations impacted include...
  St. Marys, Fernandina Beach, Callahan, Jacksonville International
  Arpt, Yulee, Macclenny, Glen St. Mary, Cisco Gardens, Olustee and
  Bryceville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Torrential rainfall is occurring with these storms, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

A Tornado Watch remains in effect until 1100 AM EDT for northern and
northeastern Florida...and southeastern Georgia.

LAT...LON 3031 8176 3017 8246 3040 8246 3044 8213
      3071 8165 3076 8142 3051 8138
TIME...MOT...LOC 1041Z 255DEG 49KT 3067 8160 3040 8206 3020 8246

AK
Special weather statement, Apr 20, 7:16 AM EDT, 2 hours 6 minutes before
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</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.
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Special weather statement, Apr 20, 7:40 AM EDT, 1 hour 42 minutes before
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</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>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Apr 20, 8:43 AM EDT, 39 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
843 AM EDT Mon Apr 20 2020

FLZ136-140-236-240-340-201330-
Eastern Alachua FL-Western Alachua FL-Central Marion FL-
Western Marion FL-Eastern Marion FL-
843 AM EDT Mon Apr 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ALACHUA AND CENTRAL
MARION COUNTIES UNTIL 930 AM EDT...

* At 843 AM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 7 miles southeast of Williston
  Municipal Airport, or 8 miles southeast of Williston, moving east
  at 50 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Rainbow Lakes Estates, Fort McCoy, Citra, Hawthorne, Sparr,
  Anthony, Cross Creek, Micanopy, Reddick and McIntosh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

A Tornado Watch remains in effect until 1100 AM EDT for northern and
northeastern Florida.

LAT...LON 2921 8254 2922 8240 2948 8241 2948 8250
      2954 8249 2962 8206 2947 8205 2950 8200
      2951 8187 2928 8179 2918 8223 2907 8232
      2906 8253
TIME...MOT...LOC 1243Z 256DEG 45KT 2927 8239

AK
Special weather statement, Apr 20, 9:09 AM EDT, 13 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
909 AM EDT Mon Apr 20 2020

FLZ037-140-240-201400-
Central Marion FL-Putnam FL-Eastern Marion FL-
909 AM EDT Mon Apr 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MARION AND PUTNAM
COUNTIES UNTIL 1000 AM EDT...

* At 908 AM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Orange Springs, or 8 miles
  north of Fort McCoy, moving northeast at 60 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Palatka, Interlachen, Pomona Park, Fort McCoy, East Palatka, Lake
  Delancy, Fruitland, Bostwick, Federal Point and Orange Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

A Tornado Watch remains in effect until 1100 AM EDT for northern and
northeastern Florida.

LAT...LON 2946 8150 2932 8205 2944 8209 2943 8207
      2944 8206 2960 8206 2981 8157 2976 8153
      2949 8152
TIME...MOT...LOC 1308Z 246DEG 50KT 2949 8197

AK
Special weather statement, Apr 20, 9:17 AM EDT, 5 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
917 AM EDT Mon Apr 20 2020

FLZ140-240-340-201400-
Central Marion FL-Western Marion FL-Eastern Marion FL-
917 AM EDT Mon Apr 20 2020

...SIGNIFICANT WEATHER ADVISORY FOR MARION COUNTY UNTIL 1000 AM
EDT...

* At 917 AM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 10 miles
  west of Sparr to 7 miles southwest of Ocala Airport to Black
  Diamond. Movement was east at 60 mph.

* Wind gusts up to 55 mph, excessive cloud-to-ground lightning,
  funnel clouds, and minor flooding due to heavy rainfall is
  possible with these storms.

* Locations impacted include...
  Ocala, Rainbow Lakes Estates, Fort McCoy, Salt Springs, Juniper
  Springs, Citra, Lynne, Weirsdale, Sparr and Anthony.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Torrential rainfall is occurring with these storms, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

Funnel clouds occasionally touch down and produce tornadoes or
waterspouts. Move indoors and stay away from windows.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

A Tornado Watch remains in effect until 1100 AM EDT for northern and
northeastern Florida.

LAT...LON 2905 8247 2904 8253 2921 8254 2922 8240
      2941 8241 2942 8174 2937 8174 2936 8166
      2934 8166 2932 8168 2928 8164 2912 8164
      2896 8166 2896 8231
TIME...MOT...LOC 1317Z 263DEG 51KT 2931 8228 2911 8233 2890 8249

AK

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 9:12 PM EDTSpecial Marine WarningJAX63 min
Apr 20, 4:30 AM EDTSpecial Weather StatementJAXNassau45 min
Apr 20, 4:38 AM EDTSevere Thunderstorm WarningJAXNassau23 min
Apr 20, 4:39 AM EDTSpecial Marine WarningJAX66 min
Apr 20, 5:31 AM EDTSpecial Marine WarningJAX89 min
Apr 20, 5:53 AM EDTSpecial Weather StatementJAXColumbia, Suwannee52 min
Apr 20, 6:09 AM EDTSevere Thunderstorm WarningJAXNassau33 min
Apr 20, 6:34 AM EDTSevere Thunderstorm WarningJAXColumbia, Gilchrist, Suwannee, Union26 min
Apr 20, 6:41 AM EDTSpecial Weather StatementJAXBaker, Nassau49 min
Apr 20, 6:54 AM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Suwannee, Union51 min
Apr 20, 7:00 AM EDTSpecial Marine WarningJAX83 min
Apr 20, 7:03 AM EDTSpecial Marine WarningJAX57 min
Apr 20, 7:09 AM EDTWind AdvisoryJAXDuval, Flagler, Marion8 hr
Apr 20, 7:16 AM EDTSpecial Weather StatementJAXDuval44 min
Apr 20, 7:40 AM EDTSpecial Weather StatementJAXGilchrist50 min
Apr 20, 7:44 AM EDTSevere Thunderstorm WarningJAXDuval, Saint Johns18 min
Apr 20, 8:11 AM EDTSpecial Marine WarningJAX64 min
Apr 20, 8:43 AM EDTSpecial Weather StatementJAXMarion47 min
Apr 20, 9:09 AM EDTSpecial Weather StatementJAXPutnam51 min
Apr 20, 9:17 AM EDTSpecial Weather StatementJAXMarion43 min
Apr 20, 9:54 AM EDTSevere Thunderstorm WarningJAXMarion51 min
Apr 20, 10:00 AM EDTSpecial Weather StatementJAXFlagler, Marion45 min
Apr 20, 10:10 AM EDTTornado WarningJAXMarion12 min
Apr 20, 10:17 AM EDTTornado WarningJAXMarion8 min
Apr 19, 9:10 PM EDTSpecial Weather StatementJAXGlynn20 min
Apr 20, 2:59 AM EDTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Brantley, Charlton, Clinch and 4 more46 min
Apr 20, 3:17 AM EDTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Clinch, Coffee, Echols and 3 more43 min
Apr 20, 3:35 AM EDTSevere Thunderstorm WarningJAXAppling, Bacon, Brantley, Camden, Charlton, Glynn and 3 more40 min
Apr 20, 3:58 AM EDTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Brantley, Clinch, Coffee and 4 more47 min
Apr 20, 4:58 AM EDTSpecial Weather StatementJAXGlynn32 min
Apr 20, 5:10 AM EDTSevere Thunderstorm WarningJAXBrantley, Glynn, Wayne24 min
Apr 20, 5:23 AM EDTSpecial Weather StatementJAXGlynn52 min
Apr 20, 5:26 AM EDTSpecial Weather StatementJAXCharlton49 min
Apr 20, 5:34 AM EDTSevere Thunderstorm WarningJAXBrantley, Camden, Glynn30 min
Apr 20, 5:57 AM EDTSpecial Weather StatementJAXCamden48 min

Nearby

Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.