Post Storm Hurricane Report
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
866
ACPQ70 PGUM 111441
PSHPQ

POST TROPICAL CYCLONE REPORT...TYPHOON KROVANH (20W)
NATIONAL WEATHER SERVICE TIYAN GU
1240 AM CHST FRI FEB 12 2015

PRELIMINARY/FINAL

REPORT FROM THE EFFECTS OF TYPHOON KROVANH (20W) FROM 13 SEP TO 18 SEP
2015 AS IT PASSED JUST TO THE NORTHEAST OF THE NORTHERN MARIANAS AND
THROUGH THE WFO GUAM AOR. BY THE TIME OF THE JTWC TCFA AND FIRST WARNING
...THE THEN TD 20W WAS ALREADY NORTH OF SAIPAN AND SO THE QUESTION WAS
WHETHER IT WOULD AFFECT THE NORTHERN ISLAND OF THE CNMI. A TS WATCH
WAS ISSUED IN CASE OF A MORE WESTWARD TRACK...OR AN EXPANSION OF THE
OUTER WINDS ON THE WEST SIDE OF THE CYCLONE. SCATTEROMETER DATA SHOWED
TROPICAL STORM INTENSITY WINDS JUST TO THE EAST AND NORTH OF
AGRIHAN ON 16 SEPTEMBER.

A. LOWEST SEA LEVEL PRESSURE/MAXIMUM SUSTAINED WINDS AND PEAK GUSTS
---------------------------------------------------------------------
METAR OBSERVATIONS...
NOTE: ANEMOMETER HEIGHT IS 10 METERS AND WIND AVERAGING IS 2 MINUTES
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
REMARKS: NO PRESSURE OR WIND REPORTS...NO WEATHER OBSERVATIONS.

NON-METAR OBSERVATIONS...
NOTE: ANEMOMETER HEIGHT IN METERS AND WIND AVERAGING PERIOD IN
MINUTES INDICATED UNDER MAXIMUM SUSTAINED WIND IF KNOWN
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
REMARKS: ESTIMATES WERE 20 TO 25KT SUSTAINED SURFACE WINDS FOR AGRIHAN
BASED ON SCATTEROMETER DATA.

CPA: APPROXIMATELY AT 16SEP1200Z  (16 SEP 10PM CHST) FOR AGRIHAN.

B. MARINE OBSERVATIONS...
NOTE: ANEMOMETER HEIGHT IN METERS AND WIND AVERAGING PERIOD IN
MINUTES INDICATED UNDER MAXIMUM SUSTAINED WIND IF KNOWN
---------------------------------------------------------------------
LOCATION  ID    MIN    DATE/     MAX      DATE/     PEAK    DATE/
LAT  LON        PRES   TIME      SUST     TIME      GUST    TIME
DEG DECIMAL     (MB)   (UTC)     (KT)     (UTC)     (KT)    (UTC)
---------------------------------------------------------------------
WAVES AND SURF...NO REPORTS. ESTIMATES WERE FOR 9 TO 12 FT SEAS
NEAR AGRIHAN BASED ON ALTIMETRY DATA AND STORM-WIND ESTIMATES.

C. STORM TOTAL RAINFALL...
---------------------------------------------------------------------
LOCATION                ISLAND            ID                RAINFALL
LAT LON                                                     (IN)
DEG DECIMAL
---------------------------------------------------------------------
REMARKS: NO REPORTS...ESTIMATES WERE 2 TO 4 INCHES FOR AGRIHAN.

D. INLAND FLOODING...
---------------------------------------------------------------------
NONE.

E. MAXIMUM STORM SURGE AND STORM TIDE...
---------------------------------------------------------------------
LOCATION                      SURGE   TIDE   DATE/   BEACH
                              (FT)    (FT)   TIME    EROSION
---------------------------------------------------------------------
NONE NOTED.


F. TORNADOES...
---------------------------------------------------------------------
LOCATION                        DATE/         EF SCALE
LAT LON (DEG DECIMAL)           TIME(UTC)    (IF KNOWN)
DESCRIPTION
---------------------------------------------------------------------
NONE.

G. STORM IMPACTS BY ISLAND...
---------------------------------------------------------------------
LOCATION           DEATHS           INJURIES             EVACUATIONS
DESCRIPTION
---------------------------------------------------------------------
ALAMAGAN/PAGAN/AGRIHAN      NO REPORTS OF INJURIES.

REMARKS: NONE.

H. REMARKS...

THE FOLLOW BULLETINS WERE ISSUED BY WFO GUAM

  15 - TC PUBLIC ADVISORIES (TCP)...BETWEEN 15 SEP - 18 SEP
   6 - TC INTERMEDIATE PUBLIC ADVISORIES
   6 - HLS TYPHOON LOCAL STATEMENTS
   2 - SPS SPECIAL WEATHER STATEMENTS FOR THE MARIANAS

TIMES IN UTC
15SEP0913 (15SEP 813PM CHST) TS WATCH FOR ALAMAGAN...PAGAN AND AGRIHAN
16SEP2111 (17SEP 711AM CHST) TS WATCH CANCELED FOR ALL ISLANDS
13SEP0600 JTWC LOW AREA
13SEP1930 JTWC TCFA
14SEP2100 JTWC TD 20W
15SEP1500 JTWC TS KROVANH
16SEP2100 JTWC TY KROVANH
18SEP0900 JTWC TY KROVANH (OUT OF AOR)

&&

LEGEND:
I-INCOMPLETE DATA
E-ESTIMATED

$$

EDSON
WFO GUAM



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.