Alert archive / Puerto Rico / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS JSJ

May 22, 2021

NWS JSJ issued this severe thunderstorm warning at May 22, 2021, 3:01 PM CDT. It was in force for 29 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 22, 2021, 3:01 PM CDT (20:01 UTC)
Expired: May 22, 2021, 3:30 PM CDT
In force: 29 min
Issued by: NWS JSJ
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

The radar

The San Juan radar (TJUA), 37 km from the middle of the area, began a volume at 20:00 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
May 22, 3:15 PM CDT	TSTM WND DMG	Morovis, PR	A SEVERE THUNDERSTORM MOVED ACROSS THE MUNICIPALITY OF MOROVIS, PRODUCING DOWNED TREES AND POWERLINES ALONG ROADS PR-159 AND 567.
May 22, 3:15 PM CDT	HAIL 1	5 W Corozal, PR	A SEVERE THUNDERSTORMS AFFECTED THE NORTH CENTRAL SECTIONS OF PUERTO RICO MAINLY THE MUNICIPALITIES OF MOROVIS AND COROZAL WHERE THEY REPORTED QUATER SIZE HAILIN THE BO. CIBUCO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The text

As transmitted.

153 
WUCA52 TJSJ 222001
SVRSJU
PRC047-101-143-145-222030-
/O.NEW.TJSJ.SV.W.0003.210522T2001Z-210522T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Juan PR
401 PM AST Sat May 22 2021

The National Weather Service in San Juan has issued a

* Severe Thunderstorm Warning for...
  Vega Baja Municipality in Puerto Rico...
  Morovis Municipality in Puerto Rico...
  Vega Alta Municipality in Puerto Rico...
  Corozal Municipality in Puerto Rico...

* Until 430 PM AST

* At 401 PM AST, a severe thunderstorm was located over Morovis,
  moving east at 10 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Corozal, Morovis, Barahona, Franquez and Miranda. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 1828 6629 1827 6638 1829 6638 1827 6639
      1827 6644 1835 6645 1840 6633
TIME...MOT...LOC 2001Z 265DEG 7KT 1830 6640 

HAIL...0.75IN
WIND...60MPH
 
$$

ICP

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
May 21, 8:33 PM CDT	Small Craft Advisory	JSJ	58 hr
May 22, 12:13 PM CDT	Special Weather Statement	JSJ	47 min
May 22, 12:27 PM CDT	Areal Flood Advisory	JSJ	92 min
May 22, 12:53 PM CDT	Special Weather Statement	JSJ	52 min
May 22, 1:16 PM CDT	Areal Flood Advisory	JSJ	119 min
May 22, 1:29 PM CDT	Areal Flood Advisory	JSJ	2 hr
May 22, 1:34 PM CDT	Special Weather Statement	JSJ	56 min
May 22, 2:01 PM CDT	Areal Flood Advisory	JSJ	112 min
May 22, 2:09 PM CDT	Special Weather Statement	JSJ	66 min
May 22, 3:18 PM CDT	Areal Flood Advisory	JSJ	100 min
May 22, 3:57 PM CDT	Areal Flood Advisory	JSJ	63 min

Nearby

Severe Thunderstorm Warnings in Puerto Rico, 2021 Every severe thunderstorm warning in 2021

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; radar from the NEXRAD Level II archive.