Alert archive / Florida / High Surf Warnings in 2020
High Surf Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this high surf warning at Apr 11, 2020, 10:46 AM CDT for Baldwin County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Apr 12, 2020, 12:00 PM CDT. It was in force for 16 hr. 13 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 11, 2020, 10:46 AM CDT (15:46 UTC)
- In effect from
- Apr 12, 2020, 12:00 PM CDT
- Expired
- Apr 13, 2020, 4:00 AM CDT
- In force
- 16 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 15:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 12:52 PM CDT | COASTAL FLOOD | 2 E Pinto Island, AL | EASTBOUND LANES ALONG THE CAUSEWAY OVER MOBILE BAY CLOSED FOR SEVERAL HOURS IN THE AFTERNOON AND EVENING DUE TO COASTAL FLOODING. PICTURES, VIDEOS, AND REPORTS VIA SOCIAL MEDIA. |
| Apr 12, 1:00 PM CDT | COASTAL FLOOD | West End Dauphin Island, AL | MINOR FLOODING OF A FEW SIDE STREETS ALONG BIENVILLE BLVD ON THE WEST END OF DAUPHIN ISLAND. PICTURES AND VIDEO VIA SOCIAL MEDIA. |
| Apr 12, 5:00 PM CDT | COASTAL FLOOD | Delchamps, AL | MINOR FLOODING OF DOCKS AND YARDS ALONG THE FOWL RIVER. PICTURES VIA SOCIAL MEDIA. |
| Apr 12, 9:06 PM CDT | NON-TSTM WND DMG | 2 W Auburn, FL | LARGE TREE DOWN BLOCKING ROADWAY. |
| Apr 12, 10:00 PM CDT | NON-TSTM WND DMG | 2 Ese Bay Minette, AL | SEVERAL TREES KNOCKED DOWN IN THE GRADIENT WINDS. PICTURES AND REPORTS VIA SOCIAL MEDIA. |
| Apr 12, 10:00 PM CDT | NON-TSTM WND DMG | Medal Of Honor Park, AL | SPORADIC REPORTS OF TREES DOWN ACROSS WEST MOBILE DUE TO GRADIENT WINDS. PICTURES AND REPORTS VIA SOCIAL MEDIA. |
| Apr 12, 10:31 PM CDT | NON-TSTM WND DMG | 1 S Campton, FL | TREE DOWN ON POWERLINE. |
| Apr 13, 1:10 AM CDT | MARINE TSTM WIND 46 | Gulf Breeze, FL | WEATHERSTEM MESONET STATION IN GULF BREEZE, FL MEASURED A MARINE WIND GUST OF 46MPH. |
| Apr 13, 1:17 AM CDT | MARINE TSTM WIND 43 | 1 E Gulf Breeze, FL | MESONET STATION IN GULF BREEZE, FL MEASURED A MARINE WIND GUST OF 43 MPH. |
| Apr 13, 1:37 AM CDT | TSTM WND GST 61 | Crestview Airport, FL | KCEW (ASOS SITE IN CRESTVIEW, FL) MEASURED A WIND GUST OF 61 MPH. |
| Apr 13, 1:40 AM CDT | MARINE TSTM WIND 41 | 2 Sse Navarre, FL | WEATHERSTEM MESONET STATION SOUTH OF NAVARRE MEASURED A MARINE WIND GUST OF 41 MPH. |
| Apr 13, 1:58 AM CDT | TSTM WND GST 50 | 6 Wnw Valparaiso, FL | CORRECTS PREVIOUS LSR TO THE CORRECT TIME. THUNDERSTORM WIND GUST OF 50.3 KNOTS REPORTED AT EGLIN OBSERVTION SITE B71. REPORTED BY EGLIN PERSONNEL. |
| Apr 13, 1:58 AM CDT | TSTM WND GST 58 | 6 Wnw Valparaiso, FL | CORRECTS PREVIOUS REPORT FOR THE MEASURED WIND SPEED. THUNDERSTORM WIND GUST OF 50.3 KNOTS, 58 MPH, REPORTED AT EGLIN OBSERVTION SITE B71. REPORTED BY EGLIN PERSONNEL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.8 hours before the alert went out and 227 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2192 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
838 WHUS44 KMOB 111546 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 1046 AM CDT Sat Apr 11 2020 ALZ265-266-FLZ202-204-206-120300- /O.NEW.KMOB.SU.W.0002.200412T1700Z-200413T0900Z/ /O.NEW.KMOB.CF.Y.0002.200412T1500Z-200413T0300Z/ /O.CON.KMOB.RP.S.0015.200412T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 1046 AM CDT Sat Apr 11 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH TUESDAY MORNING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 10 AM TO 10 PM CDT SUNDAY... ...HIGH SURF WARNING IN EFFECT FROM NOON SUNDAY TO 4 AM CDT MONDAY... * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 10 feet. For the Coastal Flood Advisory, minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...In Alabama, Mobile Coastal and Baldwin Coastal Counties. In Florida, Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...For the High Surf Warning, from noon Sunday to 4 AM CDT Monday. For the Coastal Flood Advisory, from 10 AM to 10 PM CDT Sunday. For the High Rip Current Risk, from 7 PM CDT this evening through Tuesday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other waterside infrastructure. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
5 follow-up statements
158 WHUS44 KMOB 120257 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 957 PM CDT Sat Apr 11 2020 ALZ265-266-FLZ202-204-206-121200- /O.CON.KMOB.SU.W.0002.200412T1700Z-200413T0900Z/ /O.CON.KMOB.CF.Y.0002.200412T1500Z-200413T0300Z/ /O.CON.KMOB.RP.S.0015.000000T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 957 PM CDT Sat Apr 11 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY MORNING... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM CDT SUNDAY... ...HIGH SURF WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO 4 AM CDT MONDAY... * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 10 feet. For the Coastal Flood Advisory, minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Warning, from noon Sunday to 4 AM CDT Monday. For the Coastal Flood Advisory, from 10 AM to 10 PM CDT Sunday. For the High Rip Current Risk, through Tuesday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other waterside infrastructure. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
232 WHUS44 KMOB 121147 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 647 AM CDT Sun Apr 12 2020 ALZ265-266-FLZ202-204-206-122000- /O.CON.KMOB.SU.W.0002.200412T1700Z-200413T0900Z/ /O.CON.KMOB.CF.Y.0002.200412T1500Z-200413T0300Z/ /O.CON.KMOB.RP.S.0015.000000T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 647 AM CDT Sun Apr 12 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY MORNING... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING... ...HIGH SURF WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CDT MONDAY... * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 10 feet. For the Coastal Flood Advisory, minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Warning, from noon Sunday to 4 AM CDT Monday. For the Coastal Flood Advisory, from 10 AM to 10 PM CDT Sunday. For the High Rip Current Risk, through Tuesday morning. * IMPACTS...Coastal flooding of lots, parks, and roads with only isolated road closures expected. Most impacted areas will be along northern Mobile Bay shores. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other waterside infrastructure. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
766 WHUS44 KMOB 121942 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 242 PM CDT Sun Apr 12 2020 ALZ265-266-FLZ202-204-206-130330- /O.CON.KMOB.SU.W.0002.000000T0000Z-200413T0900Z/ /O.CON.KMOB.CF.Y.0002.000000T0000Z-200413T0300Z/ /O.CON.KMOB.RP.S.0015.000000T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 242 PM CDT Sun Apr 12 2020 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY MORNING... * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 10 feet. For the Coastal Flood Advisory, minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Warning, from noon Sunday to 4 AM CDT Monday. For the Coastal Flood Advisory, from 10 AM to 10 PM CDT Sunday. For the High Rip Current Risk, through Tuesday morning. * IMPACTS...Coastal flooding of lots, parks, and roads with only isolated road closures expected. Most impacted areas will be along northern Mobile Bay shores. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other waterside infrastructure. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
766 WHUS44 KMOB 130258 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 958 PM CDT Sun Apr 12 2020 ALZ265-266-FLZ202-204-206-131100- /O.EXT.KMOB.CF.Y.0002.000000T0000Z-200413T0900Z/ /O.CON.KMOB.SU.W.0002.000000T0000Z-200413T0900Z/ /O.CON.KMOB.RP.S.0015.000000T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 958 PM CDT Sun Apr 12 2020 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 4 AM CDT MONDAY... ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY MORNING... * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 10 feet. For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Warning, until 4 AM CDT Monday. For the High Rip Current Risk, through Tuesday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other waterside infrastructure. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
296 WHUS44 KMOB 130920 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 420 AM CDT Mon Apr 13 2020 ALZ265-266-FLZ202-204-206-131800- /O.EXP.KMOB.SU.W.0002.000000T0000Z-200413T0900Z/ /O.EXP.KMOB.CF.Y.0002.000000T0000Z-200413T0900Z/ /O.CON.KMOB.RP.S.0015.000000T0000Z-200414T1200Z/ Mobile Coastal-Baldwin Coastal-Escambia Coastal- Santa Rosa Coastal-Okaloosa Coastal- 420 AM CDT Mon Apr 13 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY MORNING... ...HIGH SURF WARNING HAS EXPIRED... ...COASTAL FLOOD ADVISORY HAS EXPIRED... * WHAT...Dangerous rip currents. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...Through Tuesday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 4:16 AM CDT | Wind Advisory | MOB | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 48 hr |
| Apr 11, 10:46 AM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 41 hr |
| Apr 11, 10:55 AM CDT | Gale Watch | MOB | 18 hr | |
| Apr 11, 10:55 AM CDT | Small Craft Advisory | MOB | 53 hr |
Nearby
High Surf Warnings in Florida, 2020High Surf Warnings in Alabama, 2020Every high surf 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.